ECOLOGY
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Transcript of ECOLOGY
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ECOLOGY Introduction
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Ecology is about Cause and Effect Looks at the
Interaction & InterdependenceOf organisms to each other and to their
environment. We have studied
Genus and species populations
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Expanding outward to…
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ECOLOGY “ECO” – “the Environment” /”nature” “OLOGY”- study of
The study of the interactions between organisms within a particular area.
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Ecology vocabulary words:Individual – single organism.Population – group of individuals who can
mate (species).Community – Groups of different
populations within a particular area.Ecosystem – Living and non-living
things within a particular area.Biome – Groups of similar ecosystems
living together.Biosphere – THE WHOLE WORLD
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EcosystemSelf-sustaining collection of organisms and their physical environment
Biotic – living thingsAbiotic – non-living things
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BiomeMajor communities that occur over wide areas on land
Scientists have divided the Earth into 7-9 major biomes
Climate – temperature and precipitation.
Climate dictates biomes.
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Major Biomes of the Earth
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Niche-Animal’s role in the ecosystem. Types of niches: HerbivoreOmnivoreCarnivore
PredatorPrey
DecomposerScavenger
PRIMARY PRODUCERS
In your groups define using two to three words
Food Chains
Eats ProducersEats consumers and producersEats only live animals.
The hunterThe hunted
Break down dead and organic materialEats animals that are dead/ have been killed
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FOOD CHAIN SETS:In your group Put your groups set in order
Check another groups set
Draw one of the food chains!
THE ARROW IN A FOOD WEB SHOWS WHERE THE ENERGY GOES TO!!
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Arrows on the food web show where the energy goes.
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Various Relationships Mutualism
Neutralism
Competition & Predation
Commensalism
Parasitism
Both organisms benefit
Neither organism benefits
One organism out runs another or takes over an area
One benefits, nothing happens to the other.
Host does not benefit, ONLY parasite does
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Match the situation to one of the relationships
A.
Two male lions fight over a female lion.
B.
A pack of wolves and a bear fight over a dead deer.
C.
A praying mantis insect eats a grasshopper.
D.
Ox pecker birds picks parasites off the water buffalo for food and
the water buffalo have no parasites.
E.
A butterfly drinks nectar from a flower and the
flower gets pollinated.
F.
Spring Wood Tigers vs. Raiders
G.
A fungus grows under a tree’s bark
and causes it to grow slowly.
H.
A tapeworm lives in the intestines of a person, causing illness and weight loss.
I.
Barnacles attach to the skin of whales where
they are able to capture food. The whale is not
helped or harmed.
J.Fleas suck blood
from a cat.
K
Lichens use trees as a place to grow and be protected. The tree is not affected.
L.
Ants milk aphids for honeydew (food) and
the aphids are protected from
predators by the ants.M.
A blue jay bird pulls an earthworm out of the ground and eats
it
N.
You have harmless eyelash mites living in your eyelash follicles
O.
A lion chases, catches, kills, then
eats a zebra
P. A clown fish lives in a sea anemone. Clown fish guard them from butterfly fish and sea anemones give them a home.
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