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chapter 18-2 19-1
Question | Answer |
---|---|
an organisms role is determined by.. | how it obtains its food (energy) |
all ____ on earth stats with the sun. | energy |
what is a producer? | organism that collects the suns energy and use it to make their own food. |
what is a consumer? | organism that depends on other organisms for obtaining their energy |
what is a decomposer? | organism that breaks down dead matter in order to obtain their energy. |
what are the 5 energy roles? | herbivore, carnivore, omnivore, detritivores, and scavengers. |
whats is a detritivores? | decomposers that return nutrients back into the soil for use by producers. |
whats is a scavenger? | consumers that eat dead organisms |
what are food chains? | a simple model scientist use to show how matter and energy move through an ecosystem |
what is a trophic level? | a trophic level represents a feeding step |
what is an energy pyramid? | graphical representation showing energy flow in an ecosystem |
what are consumers? | consumers are heterotrophic hetero=other troph=feed |
whats are producers? | producers are autotrophic. auto=self troph=feed |