5.3 Flashcard Review 22

Front

What is an animal that eats only other animals called?

Back

Carnivore

Front

What is the proper name for any organism above the producer level in an energy pyramid?

Back

Consumers

Front

What is the ultimate original source of energy for living things?

Back

Sun

Front

When going up a trophic level, about what percentage of energy is passed on from the previous level?

Back

10%

Front

What term describes the regulation of populations of organisms at lower trophic levels by predators at the top of the food chain?

Back

Trophic Cascades

Front

What is a producer in an ecosystem?

Back

An organism that can make its own food, typically through photosynthesis.

Front

What is a herbivore?

Back

An animal that eats only plants.

Front

What is an omnivore?

Back

An animal that eats both plants and animals.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organic matter, returning nutrients to the soil.

Front

What is ecological succession?

Back

The process by which ecosystems change and develop over time.