Shaping an Ecosystem: “ I get by with a little help from my friends… .”
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Transcript of Shaping an Ecosystem: “ I get by with a little help from my friends… .”
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SHAPING AN ECOSYSTEM: “I
GET BY WITH A LITTLE HELP FROM
MY FRIENDS….”OBJECTIVE: Identify
Different Interactions among
species
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PARTS OF AN ECOSYSTEMAn Ecosystem is made of BIOTIC and ABIOTIC partsBIOTIC components are the living parts of the ecosystem
Examples are:
• Plants
• Animals
• Fungi
• Bacteria
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PARTS OF AN ECOSYSTEMAn Ecosystem is made of BIOTIC and ABIOTIC Components
ABIOTIC components are the NON-living parts of the ecosystem
Examples are:
• Water
• Air
• Temperature
• Sunlight
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HABITAT The ecosystem in which an organism
lives.
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NICHE Full range of physical and biological
conditions in which an organism lives and the way the organism uses those conditions.
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SYMBIOSIS DEFINITIONS A Niche Includes:
Food: What it eats and how it’s obtained, where is it on the food web? What eats it?
Abiotic Conditions: Non-living things needed to survive (sun, temperature, water, salt water, fresh water, heat, protection, etc.)
Behavior: When and how it reproduces, mating rituals, hibernation, defense mechanisms, interactions with others
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SYMBIOSIS DEFINITIONS How is a niche
different from a habitat?
VS
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TYPES OF RELATIONSHIPS Competition: When organisms
attempt to use an ecological resource at the same time in the same place.
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WHAT IS THE COMPETITIVE EXCLUSION PRINCIPLE? NO TWO SPECIES CAN HAVE THE SAME NICHE AT THE SAME TIME
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TYPES OF RELATIONSHIPS Predation: When one organism
captures and eats another organism.
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SYMBIOSIS DEFINITIONS SYMBIOSIS is the interaction between 2
different organisms living together
HOST- usually the LARGER of the 2 organismsSYMBIONT- usually the SMALLER member
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MUTUALISM Is a relationship where both
species benefit For example, the the bee
feeding on the nectar helps to pollinate other flowers
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COMMENSALISM Is a relationship between the host
and symbiont, where the symbiont benefits and the host is neither helped nor harmed.
The symbiont benefits by receiving transportation, housing, and/or nutrition.
For example, barnacles receive transportation from the host whale. The host whale is neither helped nor harmed by the barnacles.
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PARASITISM Is a relationship where the
Symbiont lives in/on the Host The Symbiont (or Parasite)
BENEFITS The Host is HARMED For example, the tick in the
picture above is a parasite. It benefits by extracting blood from its human host. The human is harmed because
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SYMBIOSIS IN NATURE Write the partner, what happens in the
relationship, and then identify the relationship asParasitism,Mutualism, orCommensalism
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RHINOCEROS AND THE…
Oxpeckers eat ticks on the rhinoceros’s back.
OXPECKER
This is an example of: MUTUALISM
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MARIBOU STORK AND THE…
Stork cuts up dead animals that it eats with its beak. Bees lay eggs on the carcasses that provide food for the eggs.
BEE
This is an example of: COMMENSALISM
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GAZELLE AND THE…
Feed next to each other and warn each other when predators come.
OSTRICH
This is an example of: MUTUALISM
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BISON AND THE…
Cowbird follows the bison and eats the insects in the grass.
COWBIRD
This is an example of: COMMENSALISM
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DEER AND THE…
Live on deer and suck their blood.
TICK
This is an example of: PARASITISM
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BLACK SEA BASS AND THE…
Wrasse fish eats parasites on black sea bass.
WRASSE FISH
This is an example of: MUTUALISM
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SHARK AND THE…
Attaches to shark and eats scraps from the shark’s meal.
REMORA
This is an example of: COMMENSALISM
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SPRUCE TREE AND THE…
Mistletoe grows on spruce trees and uses its water and nutrients.
MISTLETOE
This is an example of: PARASITISM
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YUCCA MOTH AND THE…
Yucca moth pollinates yucca plant and lays its eggs on the flower.
YUCCA
This is an example of: MUTUALISM
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WARBLER AND THE…
The cuckoo lays its egg in the Warbler’s nest and forces warblers to raise chick
CUCKOO
This is an example of: PARASITISM
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HONEY BADGER AND THE…
. Bird shows badger where beehive is; badger breaks open hive and both eat honey
HONEYGUIDE BIRD
This is an example of: MUTUALISM
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CLOWNFISH AND THE….
Clownfish feeds on animals which could harm the sea anemone, and the sea anemone gets nutrients from clown fish waste.
SEA ANENOME
This is an example of: MUTUALISM