| A | B |
| sun | All energy originates with the: |
| herbivore | Animal that eats ONLY plants, ex. rabbit |
| carnivore | Animal that eats ONLY other animals, ex. lion |
| omnivore | Animal that eats BOTH plants and animals, ex. raccoon |
| scavenger | Organism that eats carrion and "leftovers", hyena |
| decomposers | Bacteria and fungi both serve as ______ in a food web. |
| photosynthesis | Process used by plant to convert sunlight to glucose. |
| producers | Plants fill this role in a food chain. |
| primary | Animal that eats producers is a ______ consumer. |
| secondary | A bird that eats a grasshopper is a ________ consumer. |
| top | The biggest carnivore is usually the_____ consumer. |
| heterotrophs | All organisms that must eat to survive are______. |
| autotrophs | All "self-feeding" plants are__________. |
| heat | Most energy received from food becomes ______ and waste. |
| biomass | Measurement of how much of a particular organism there is in an ecosystem. |
| carrying capacity | The largest population that an environment can support. |
| competition | Demand for resources can result in: |
| receiving | Arrows should point at the organism ______ the energy. |
| density dependent | Factors that increase in significance as population size increases: |
| density independent | Factors that can limit a population regardless of its size. |