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Duncan Bio Ch. 3-6b
Energy Flow in Ecosystems
| Question | Answer |
|---|---|
| What is another name for autotroph? | producer |
| what is another name for heterotroph? | consumer |
| what kind of organisms are producers? | plants, algae, some kinds of bacteria |
| what kinds of organisms are consumers? | organisms that eat other living things to get energy (like animals) |
| plant eater | herbivore |
| animal eater | carnivore |
| eats both plants and animals | omnivore |
| breaks down organic matter or dead plants and animals, returning their nutrients to the soil | decomposer |
| How is energy transferred from one organism to another in the ecosystem? | by eating organisms |
| How much energy is transferred when one organism eats another? | 10% |
| What is the original source of energy for most ecosystems on earth? | the sun |
| What is a trophic level? | a step in energy transfer of a foodweb or food chain |
| What do the arrows in a foodweb or food chain show? | energy transfer from one organism to another |
Created by:
msduncan
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