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The Hill Country

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by

Lauren Randall

on 13 April 2011

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Transcript of The Hill Country

The Hill Country Abiotic factors:
Rocks, sunlight, oxygen, wind, dirt Biotic factors:
Animals, grass,
trees, insects Individual:
One of a specific
species Population:
Many of a specific
species Community:
Many species in a
place at a given time Ecosystem:
Abiotic & Biotic
factors in a place
at a given time EXAMPLES: Individual: a white-tailed deer
Population: more than 1 white-tailed deer
Community: white-tailed deer & a turkey
Ecosystem: white-tailed deer, turkey, & rocks 4 Parts of
an Ecosystem: Symbiosis: Interaction between
two organisms. 3 Main Types: Mutualism
Commensalism
Parasitism MUTUALISM Both organisms
are benefited COMMENSALISM One organism is
benefited, the other
is not affected PASASITISM One organism is
benefited, the other
is harmed EXAMPLES: Mutualism:
Bees & flowers
Lichens
Fungi Commensalism:
Birds in trees
Flicker and cactus
Fungus on trees
Parasitism:
Squawroot on trees
Wasps and spiders
Tapeworm in a stomach Predator- Organism that
eats others Prey- Organism that
gets eaten EXAMPLES: Predator: Mountain Lion
Prey: Jackrabbit PARTS OF A FOOD CHAIN: All energy comes from the sun. Producers are organisms that
make their own food. Consumers eat producers/other
consumers. Decomposers eat dead organisms, and
return the nutrition to the ground. Arrows represent the transfer
of energy 3 Types of Consumers: Primary, secondary, tertiary Primary: Animal
that eats plants Secondary: Animal
that eats meat Tertiary: Animals
at the top of the
food chain EXAMPLES: Primary - Rabbit eating grass
Secondary - Snake that eats rabbits
Tertiary - Hawk that eats snakes
food chain producer primary consumer secondary consumer tertiary consumer what is a food web? A food web is several food
chains put together. FOOD WEB source of all energy producers primary consumers secondary & tertiary consumers pretty good, huh? :)
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