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Transcript of Ecological Succession Unit Powerpoint for Educators - Download at www. science powerpoint .com
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Ecological Succession Unit
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Start Part V / V of an educational unit aboutChange Topics in Science for
students in grades 7-10
Part I: Evolution and Natural SelectionPart II: Evolution and Natural Selection
Part III: Earth System HistoryPart IV: Life and Human OriginsPart V: Ecological Succession
Download the Powerpoint version of this video, unit notes, assessments, lab handouts, review
games, videos, and much more at www.sciencepowerpoint.com
![Page 3: Ecological Succession Unit Powerpoint for Educators - Download at www. science powerpoint .com](https://reader038.fdocuments.us/reader038/viewer/2022103115/55720766497959fc0b8baae8/html5/thumbnails/3.jpg)
Start Part V / V of an educational unit aboutChange Topics in Science for
students in grades 7-10
Part I: Evolution and Natural SelectionPart II: Evolution and Natural Selection
Part III: Earth System HistoryPart IV: Life and Human OriginsPart V: Ecological Succession
Download the Powerpoint version of this video, unit notes, assessments, lab handouts, review
games, videos, and much more at www.sciencepowerpoint.com
![Page 4: Ecological Succession Unit Powerpoint for Educators - Download at www. science powerpoint .com](https://reader038.fdocuments.us/reader038/viewer/2022103115/55720766497959fc0b8baae8/html5/thumbnails/4.jpg)
• RED SLIDE: These are notes that are very important and should be recorded in your science journal.
• BLACK SLIDE: Pay attention, follow directions, complete projects as described and answer required questions neatly.
Copyright © 2010 Ryan P. Murphy
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• Keep an eye out for “The Owl” and raise your hand as soon as you see him.– He will be hiding somewhere in the slideshow
and finding him is worth something cool.
“Hoot, Hoot”“Good Luck!”
Copyright © 2010 Ryan P. Murphy
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Ecological Succession Unit
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Ecological Succession Unit.Ecological Succession Unit.
Copyright © 2010 Ryan P. Murphy
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• What would happen to this street if people disappeared forever that morning.– 1 year– 5 years– 10 years– 50 years– 100 years– 500 years– 1000 years
Copyright © 2010 Ryan P. Murphy
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• Start
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• First few years – Only lichens grow.
Copyright © 2010 Ryan P. Murphy
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• Lichens wear down rock, facilitate weathering and soil formation. Moss then begins to grow.
Copyright © 2010 Ryan P. Murphy
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• Moss will hold more soil and moisture, Grasses begin to colonize.
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• Sun loving shrubs and weeds colonize the grasses.
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• Sun loving trees emerge from the old-field community.
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• Sun-loving trees and conifers.
Copyright © 2010 Ryan P. Murphy
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• Shade tolerant trees.
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• Climax community – until an event starts it over.
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• After a 1000 years, there would be very little evidence that this was once a city.
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Ecological succession: The gradual Ecological succession: The gradual replacement of one community of replacement of one community of living things by another community.living things by another community.
Copyright © 2010 Ryan P. Murphy
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Ecological succession: The gradual Ecological succession: The gradual replacement of one community of replacement of one community of living things by another community.living things by another community.
Copyright © 2010 Ryan P. Murphy
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Ecological succession: The gradual Ecological succession: The gradual replacement of one community of replacement of one community of living things by another community.living things by another community.
Copyright © 2010 Ryan P. Murphy
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Ecological succession: The gradual Ecological succession: The gradual replacement of one community of replacement of one community of living things by another community.living things by another community.
Copyright © 2010 Ryan P. Murphy
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Ecological succession: The gradual Ecological succession: The gradual replacement of one community of replacement of one community of living things by another community.living things by another community.
Copyright © 2010 Ryan P. Murphy
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Ecological succession: The gradual Ecological succession: The gradual replacement of one community of replacement of one community of living things by another community.living things by another community.
Copyright © 2010 Ryan P. Murphy
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Primary Succession: Begins in an Primary Succession: Begins in an area with no previous life supported area with no previous life supported (bare rock).(bare rock).
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Secondary Succession: Succession in Secondary Succession: Succession in an area that previously colonized life an area that previously colonized life but is now disturbed.but is now disturbed.
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Secondary Succession: Succession in Secondary Succession: Succession in an area that previously colonized life an area that previously colonized life but is now disturbed.but is now disturbed.
Copyright © 2010 Ryan P. Murphy
Recent Disturbance
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Secondary Succession: Succession in Secondary Succession: Succession in an area that previously colonized life an area that previously colonized life but is now disturbed.but is now disturbed.
Copyright © 2010 Ryan P. Murphy
Recent Disturbance
Earlier Disturbance
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Secondary Succession: Succession in Secondary Succession: Succession in an area that previously colonized life an area that previously colonized life but is now disturbed.but is now disturbed.
Copyright © 2010 Ryan P. Murphy
Recent Disturbance
Earlier Disturbance
Older Disturbance
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• In secondary succession, regrowth is usually faster because…– -– -– -
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• Seeds are already in soil.
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• Stumps and roots and some plants can re-grow.
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• There is still soil, nutrients, and micro-organisms.
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• There is still soil, nutrients, and micro-organisms.
Copyright © 2010 Ryan P. Murphy
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• There is still soil, nutrients, and micro-organisms.
Copyright © 2010 Ryan P. Murphy
“Hoot” “Hoot” “Did Anybody see
me.”
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• There is still soil, nutrients, and micro-organisms.
Copyright © 2010 Ryan P. Murphy
“Hoot” “Hoot” “Did Anybody see
me.”
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Plant Succession: Plants are replaced Plant Succession: Plants are replaced (succession is dominated by plants).(succession is dominated by plants).
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Animal Succession: Animals are Animal Succession: Animals are replaced (Animals help succession).replaced (Animals help succession).
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The order of ecological succession The order of ecological succession from primary successionfrom primary succession------------------
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• Notes need to use indentations so that they are organized.– Bare Rock – Lichens
• Acids secreted by the lichens attack the rock (chemical weathering) and create soil fragments.
– Mosses• Create humus and retain moisture.
– Grasses and Sedges– Meadow Stage
• Grasses• Yearly plants• Weeds
– Old Field Community• Perennials (year after year).• Goldenrod, Milkweed.
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Bare rock.Bare rock.
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LichensLichens
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LichensLichensAcids secreted by the lichens attack the Acids secreted by the lichens attack the
rock (chemical weathering) and create rock (chemical weathering) and create soil fragments. soil fragments.
Copyright © 2010 Ryan P. Murphy
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LichensLichensAcids secreted by the lichens attack the Acids secreted by the lichens attack the
rock (chemical weathering) and create rock (chemical weathering) and create soil fragments. soil fragments.
Copyright © 2010 Ryan P. Murphy
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Mosses.Mosses.Create humus and retain moisture.Create humus and retain moisture.
Copyright © 2010 Ryan P. Murphy
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Mosses.Mosses.Create humus and retain moisture.Create humus and retain moisture.
Copyright © 2010 Ryan P. Murphy
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• The growth, death, and decay of mosses produces more humus, and soon there is enough to support the growth of grasses.
Copyright © 2010 Ryan P. Murphy
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Meadow StageMeadow StageGrassesGrassesYearly plantsYearly plantsWeedsWeeds
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Meadow StageMeadow StageGrassesGrassesYearly plantsYearly plantsWeedsWeeds
Copyright © 2010 Ryan P. Murphy
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Meadow StageMeadow StageGrassesGrassesYearly plantsYearly plantsWeedsWeeds
Copyright © 2010 Ryan P. Murphy
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Meadow StageMeadow StageGrassesGrassesYearly plantsYearly plantsWeedsWeeds
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Old-Field CommunityOld-Field Community Perennials (year after year).Perennials (year after year). Goldenrod, Milkweed.Goldenrod, Milkweed.
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Old-Field CommunityOld-Field Community Perennials (year after year).Perennials (year after year). Goldenrod, Milkweed.Goldenrod, Milkweed.
Copyright © 2010 Ryan P. Murphy
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Old-Field CommunityOld-Field Community Perennials (year after year).Perennials (year after year). Goldenrod, Milkweed.Goldenrod, Milkweed.
Copyright © 2010 Ryan P. Murphy
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Sun-loving Shrubs Sun-loving Shrubs Soil base now forms.Soil base now forms.Sumac, Willow, Dogwood, Apple.Sumac, Willow, Dogwood, Apple.
Copyright © 2010 Ryan P. Murphy
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Sun-loving Shrubs Sun-loving Shrubs Soil base now forms.Soil base now forms.Sumac, Willow, Dogwood, Apple.Sumac, Willow, Dogwood, Apple.
Copyright © 2010 Ryan P. Murphy
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Sun-loving Shrubs Sun-loving Shrubs Soil base now forms.Soil base now forms.Sumac, Willow, Dogwood, Apple.Sumac, Willow, Dogwood, Apple.
Copyright © 2010 Ryan P. Murphy
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Sun-Loving TreesSun-Loving TreesOrganic matter increases from fallen Organic matter increases from fallen
leaves.leaves.Poplar, Birch, Quaking Aspen.Poplar, Birch, Quaking Aspen.
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Sun-Loving TreesSun-Loving TreesOrganic matter increases from fallen Organic matter increases from fallen
leaves.leaves.Poplar, Birch, Quaking Aspen.Poplar, Birch, Quaking Aspen.
Copyright © 2010 Ryan P. Murphy
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Sun-Loving TreesSun-Loving TreesOrganic matter increases from fallen Organic matter increases from fallen
leaves.leaves.Poplar, Birch, Quaking Aspen.Poplar, Birch, Quaking Aspen.
Copyright © 2010 Ryan P. Murphy
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ConifersConifersEnriched soil allows pines to growEnriched soil allows pines to growPines are sun loving and grow wellPines are sun loving and grow wellEventually they shade out their Eventually they shade out their
offspring, no new pines grow.offspring, no new pines grow.
Copyright © 2010 Ryan P. Murphy
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ConifersConifersEnriched soil allows pines to growEnriched soil allows pines to growPines are sun loving and grow wellPines are sun loving and grow wellEventually they shade out their Eventually they shade out their
offspring, no new pines grow.offspring, no new pines grow.
Copyright © 2010 Ryan P. Murphy
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ConifersConifersEnriched soil allows pines to growEnriched soil allows pines to growPines are sun loving and grow wellPines are sun loving and grow wellEventually they shade out their Eventually they shade out their
offspring, no new pines grow.offspring, no new pines grow.
Copyright © 2010 Ryan P. Murphy
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ConifersConifersEnriched soil allows pines to growEnriched soil allows pines to growPines are sun loving and grow wellPines are sun loving and grow wellEventually they shade out their Eventually they shade out their
offspring, no new pines grow.offspring, no new pines grow.
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• You can see the conifers encroaching upon the aspens.
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Shade Tolerant HardwoodsShade Tolerant HardwoodsThese can grow in shade.These can grow in shade.Oak, Hickory, Ash.Oak, Hickory, Ash.
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Shade Tolerant HardwoodsShade Tolerant HardwoodsThese can grow in shade.These can grow in shade.Oak, Hickory, Ash.Oak, Hickory, Ash.
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Shade Tolerant HardwoodsShade Tolerant HardwoodsThese can grow in shade.These can grow in shade.Oak, Hickory, Ash.Oak, Hickory, Ash.
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Shade Loving Trees: Climax Shade Loving Trees: Climax Community Community Beech Trees, and MaplesBeech Trees, and MaplesClimax means final community.Climax means final community.
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Shade Loving Trees: Climax Shade Loving Trees: Climax Community Community Beech Trees, and MaplesBeech Trees, and MaplesClimax means final community.Climax means final community.
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Shade Loving Trees: Climax Shade Loving Trees: Climax Community Community Beech Trees, and MaplesBeech Trees, and MaplesClimax means final community.Climax means final community.
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• Their offspring can survive the shade so the population lasts until…
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• The climax community of Beech trees exists until….
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• What could reset the forest back to rock?
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Events that can restart succession.Events that can restart succession. -- -- -- -- --
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A forest fire.A forest fire.
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• Video! Succession after a fire
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A volcanic event.A volcanic event.
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Logging / Human Impact.Logging / Human Impact.
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Erosion.Erosion.
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Ice Age / Glaciers.Ice Age / Glaciers.
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• On rare instances, a catastrophic meteor event can blast away any life in an area.
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• Quiz 1-10 Name the stage of succession.
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• Quiz 1-10 Name the stage of succession.
• Bare Rock, Lichens, Mosses, Meadow Stage, Old-Field Community, Sun-loving shrubs, Sun-loving trees, Conifers, Shade tolderant Trees, Shade Loving Trees (Climax).
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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• Bonus – Name the Movie.
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• Quiz 1-10 Name the stage of succession.• Bare Rock, Lichens, Mosses, Meadow Stage,
Old-Field Community, Sun-loving shrubs, Sun-loving trees, Conifers, Shade tolerant Trees, Shade Loving Trees (Climax).
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1
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1 Sun-loving Trees
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2
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2 Lichens
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3
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3 Shade Loving Trees / Climax
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4
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4 Bare rock
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5
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5 Meadow Stage
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6
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6 Sun-loving shrubs
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7
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7 Shade Tolerant Trees
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8
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8 Mosses
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9
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9 Old-Field Community
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10
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10 Conifers
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• Bonus – Name the Movie.
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• Bonus –Bring it on (2000).
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• Process of succession is similar in aquatics. Eventually, a pond will be become a forested wetland, and then a forest.
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• Layers of vegetation accumulate on the bottom of pond or lake.
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• Layers of vegetation accumulate on the bottom of pond or lake.
• Emergent vegetation begins.
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• This area use to be a…
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• This area use to be a…Pond
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Copyright © 2010 Ryan P. Murphy
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• Video! Pond Succession.– A well done student project.
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• Which pond is the youngest and most Oligiotrophic?
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• Which pond is the youngest and most Oligiotrophic?
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• Which pond is the youngest and most Oligiotrophic?
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• Which pond is the youngest and most Oligiotrophic?
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• Which pond is the youngest and most Oligiotrophic?
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• Answer! Which pond is the youngest and most Olgiotrophic?
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• Which pond is the oldest and most Eutrophic?
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• Answer! Which pond is the oldest and most Eutrophic?
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• Which ponds are middle aged and Mesotrophic?
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• Answer! Which ponds are middle aged and Mesotrophic?
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• Video! Ecological Succession.
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• Video! Ecological Succession.
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• Video! Ecological Succession.
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• Video! Ecological Succession.
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• Video! Ecological Succession.
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• Video! Ecological Succession.
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• Video! Ecological Succession.
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• Video! Ecological Succession.
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As succession increases in timeAs succession increases in time# of species…………………………# of species…………………………
increasesincreasesTotal population……………………Total population……………………
increasesincreasesTotal Biomass……………………….Total Biomass………………………. ““Organic Matter………………………Organic Matter……………………… ““
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As succession increases in timeAs succession increases in time# of species…………………………# of species…………………………
increasesincreasesTotal population……………………Total population……………………
increasesincreasesTotal Biomass……………………….Total Biomass………………………. ““Organic Matter………………………Organic Matter……………………… ““
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As succession increases in timeAs succession increases in time# of species…………………………# of species…………………………
increasesincreasesTotal population……………………Total population……………………
increasesincreasesTotal Biomass……………………….Total Biomass………………………. ““Organic Matter………………………Organic Matter……………………… ““
Copyright © 2010 Ryan P. Murphy
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As succession increases in timeAs succession increases in time# of species…………………………# of species…………………………
increasesincreasesTotal population……………………Total population……………………
increasesincreasesTotal Biomass……………………….Total Biomass………………………. ““Organic Matter………………………Organic Matter……………………… ““
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As succession increases in timeAs succession increases in time# of species…………………………# of species…………………………
increasesincreasesTotal population……………………Total population……………………
increasesincreasesTotal Biomass……………………….Total Biomass………………………. ““Organic Matter………………………Organic Matter……………………… ““
Copyright © 2010 Ryan P. Murphy
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• What use to be here? What happened to them?
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• The essence of succession is that each species brings upon it’s own downfall by changing the environment.
• Other organisms can survive and then dominate.
• The process repeats and each species die until climax community. You create your own extinction.
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• The essence of succession is that each species brings upon it’s own downfall by changing the environment.
• Other organisms can survive and then dominate.
• The process repeats and each species die until climax community. You create your own extinction.
Copyright © 2010 Ryan P. Murphy
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• The essence of succession is that each species brings upon it’s own downfall by changing the environment.
• Other organisms can survive and then dominate.
• The process repeats and each species die until climax community. You create your own extinction.
Copyright © 2010 Ryan P. Murphy
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• When you change your environment you bring about your own downfall.
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• Try to guess the picture hidden beneath the boxes.– You only get one guess. Raise your hand when you
want to guess.
Copyright © 2010 Ryan P. Murphy
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Rock with Lichens
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• Try Again! Try to guess the picture hidden beneath the boxes.– You only get one guess. Raise your hand when you
want to guess.
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Central Park, New York City
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Central Park, New York CityEssence of Succession: By changing your environment you bring upon your own demise.
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• Succession Assessment due shortly.
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End Ecological Succession Unit
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Start Part V / V of an educational unit aboutChange Topics in Science for
students in grades 7-10
Part I: Evolution and Natural SelectionPart II: Evolution and Natural Selection
Part III: Earth System HistoryPart IV: Life and Human OriginsPart V: Ecological Succession
Download the Powerpoint version of this video, unit notes, assessments, lab handouts, review
games, videos, and much more at www.sciencepowerpoint.com
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Start Part V / V of an educational unit aboutChange Topics in Science for
students in grades 7-10
Part I: Evolution and Natural SelectionPart II: Evolution and Natural Selection
Part III: Earth System HistoryPart IV: Life and Human OriginsPart V: Ecological Succession
Download the Powerpoint version of this video, unit notes, assessments, lab handouts, review
games, videos, and much more at www.sciencepowerpoint.com
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• More Units Available at…
Earth Science: The Soil Science and Glaciers Unit, The Geology Topics Unit, The Astronomy Topics Unit, The Weather and Climate Unit, and The River Unit, The Water Molecule Unit.
Physical Science: The Laws of Motion and Machines Unit, The Atoms and Periodic Table Unit, The Energy and the Environment Unit, and The Introduction to Science / Metric Unit.
Life Science: The Diseases and Cells Unit, The DNA and Genetics Unit, The Life Topics Unit, The Plant Unit, The Taxonomy and Classification Unit, Ecology: Feeding Levels Unit, Ecology: Interactions Unit, Ecology: Abiotic Factors, The Evolution and Natural Selection Unit and coming soon The Anatomy and Physiology Unit.
Copyright © 2010 Ryan P. Murphy
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• More Units Available at…
Earth Science: The Soil Science and Glaciers Unit, The Geology Topics Unit, The Astronomy Topics Unit, The Weather and Climate Unit, and The River Unit, The Water Molecule Unit.
Physical Science: The Laws of Motion and Machines Unit, The Atoms and Periodic Table Unit, The Energy and the Environment Unit, and The Introduction to Science / Metric Unit.
Life Science: The Diseases and Cells Unit, The DNA and Genetics Unit, The Life Topics Unit, The Plant Unit, The Taxonomy and Classification Unit, Ecology: Feeding Levels Unit, Ecology: Interactions Unit, Ecology: Abiotic Factors, The Evolution and Natural Selection Unit and coming soon The Anatomy and Physiology Unit.
Copyright © 2010 Ryan P. Murphy
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• More Units Available at…
Earth Science: The Soil Science and Glaciers Unit, The Geology Topics Unit, The Astronomy Topics Unit, The Weather and Climate Unit, and The River Unit, The Water Molecule Unit.
Physical Science: The Laws of Motion and Machines Unit, The Atoms and Periodic Table Unit, The Energy and the Environment Unit, and The Introduction to Science / Metric Unit.
Life Science: The Diseases and Cells Unit, The DNA and Genetics Unit, The Life Topics Unit, The Plant Unit, The Taxonomy and Classification Unit, Ecology: Feeding Levels Unit, Ecology: Interactions Unit, Ecology: Abiotic Factors, The Evolution and Natural Selection Unit and coming soon The Anatomy and Physiology Unit.
Copyright © 2010 Ryan P. Murphy