Unit 2 Ecology Day 2 - Mrs. Tran's Biology Portal · Unit 2 Ecology Day 2. ... the same niche and...
Transcript of Unit 2 Ecology Day 2 - Mrs. Tran's Biology Portal · Unit 2 Ecology Day 2. ... the same niche and...
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Unit 2 Ecology Day 2
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Independent Practice 20 min
Complete: Characteristics of Life Concept Map pg. 1
AND
Complete Abiotic vs Biotic Factors pg. 4
minutes
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Levels of Organization
• Small • Large
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Levels of Organization
• Letter = W
• Word = Letters join to make a Word
• Sentence= Words join to make a a Sentence.
• Paragraph= 2 or more Sentences make up a Paragraph.
• Essay= 2 or more Paragraphs make up an Essay.
• Book= collection of essays
• Library= collection of books
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Biological Organization
Organelle
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ATOM
1. Atom is the smallest particle of a substance
Ex. Carbon, hydrogen
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MOLECULES2. Molecules are made when atoms bond together
Ex. proteins and nucleic acids.
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Organelle3. Organelles are formed when molecules join together
An organelle is found INSIDE of cells; performs a specific function
Ex. Nucleus, mitochondria, chloroplast
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CELLS4. Organelles join together to form cells.
The cell is the smallest unit of living matter
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TISSUE
5. Tissues form when cells join
Tissues are a group of cellsworking together to perform a similar function.
Ex. cardiac tissue, epithelial tissue
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ORGANS6. ORGANS are formed when similar tissues join together
Organ is a group of tissues working together
Ex. brain, leaf, lung
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ORGAN SYSTEM 7. Organ systems are a group of organs working together as a unit to ensure the body keeps functioning
Examples: root system, reproductive system
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ORGANISM8. Organism is made from systems
Organism is an individual life composed of a single cell or a complex of cells.
*What organism would you NOT find tissue, organs, or systems?
BACTERIA! Why? They are unicellular!
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9. Population: group of individuals of the same species, which interbreed and live in the same place at the same time.
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10. Community:collection of different populations species that live in a defined area
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11. Ecosystem:All the biotic factors that live in a place, together with their abiotic environment
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12. Biomes: Group of ecosystems that share similar climates and typical organisms
The average year-after-year conditions of temperature and
precipitation in a particular region.
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13. Biosphere:part of the Earth in which life exists including land, water, and air or atmosphere
What part of the Earth is not included in the Biosphere? Why?
Mantle & Core because no life has been discovered there yet
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Community
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What is Ecology??
• The study of interactions that take place between organisms and their environment.
• It explains how living organisms affecteach other and the world they live in.
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Habitat & Niche• Habitat is the place a plant or animal lives
• Niche is an organism’s total way of life (job)
• how it meets its specific needs for food and shelter, how and where it survives, and where it reproduces in its environment.
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Competition• Competition occurs when organisms occupythe same niche and have to fight for resources.
• Having a different niches can reduce competition.
• Competition helps determine the numberand kinds of species in a community and the niche each species occupies.
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Specific Adaptations• Organisms have adaptations
that enable them to survive in
their specific habitat.
• What adaptation did the hare
have to help it avoid predators?
• What adaptations would help it
win against competitors?
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Rain ForestTundra
Diversity of Life-How did life become so diverse? COMPARE
Broad leaves to capture
sun. WHY?Ground-hugging plants. Why?
Adaptations that allow for tree
climbingPlenty of thick white fur…
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Diversity of Life• Adaptations: certain features or
characteristics that allow an organisms to live successfully in its habitat.
• Organisms living in different habitatsneed different adaptations or variations.
• Variations occur over generations and involves small changes between organismswhich may allow that organism to competebetter for survival.
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Extreme: Pompeii Worm
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The Pompeii worm is adapted to the high
temperatures and pressures of the
hydrothermal vents by:
•using a thick layer of bacteria to protect it from
heat
•hiding inside a papery tube to protect it from
predators.
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What causes all these adaptations?
All living populations MUST be able
to respond, compete for resources,
and genetically adapt (over
generations) to their environment
otherwise they will become extinct!