Ecosystems Final Review

A __________ includes all living and non-living things in an environment.

• population

• niche

• abitotic

• ecosystem

Which best explains why many kinds of plants and animals can live together in an ecosystem?

• The plants and animals are all part of a food chain and depend on each other to live.

• Plants and animals are interdependent of one another.

• One species may overpopulate, killing all plant life.

• Over population of a species results in a biodiversity.

_______ are consumers that eat only meat.

• Herbivore

• Omnivore

• Carnivore

________ are consumers that eat plants and meat.

• Herbivore

• Omnivore

• Carnivore

Which group do fungi, bacteria, and termites belong to?

• decomposers

• producers

• herbivores

• omnivores

Which organism make their own food through the process of photosynthesis?

• decomposer

• consumer

• herbivore

• producer

Field mice eat corn. Which would most likely happen if the field mouse population grew?

• There would be more corn to feed the field mice.

• There would be less corn due to the mice eating it.

• The habitat would get overpopulated because the mice woudl eat too much.

Which describes a decomposer?

• an organism that eats only plants

• an organism that makes its own food

• an organism that breaks down dead matter

• an organism that recieves energy from the sun

If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease

• stay the same

• increase

What are interconnected food chains called?

• consumers

• predators

• food web