Energy Transfer in Ecosystems

Front

An animal that hunts other animals for food is a ___________

Back

predator

Front

In a food web, the organism that occupies the niche of tertiary consumer is typically a ___________

Back

predator at the top of the food chain, such as a fox.

Front

What happens to the food chain if the population of rabbits doubles?

Back

The grass population would decrease. The snake and hawk population would increase.

Front

Red-billed oxpeckers feeding on parasites that infest impala is an example of _______.

Back

mutualism

Front

Organisms that transform energy from the Sun and use carbon dioxide and water to make food are called ___________.

Back

Producers

Front

The role of organisms that break down dead material and recycle nutrients back into the ecosystem is performed by ___________.

Back

Decomposers

Front

The primary source of energy for most ecosystems is ___________.

Back

the Sun

Front

A food chain shows the flow of energy from ___________ to ___________.

Back

producers to consumers

Front

In a food web, ___________ are organisms that eat both plants and animals.

Back

omnivores

Front

The relationship where one organism benefits and the other is neither helped nor harmed is called ___________.

Back

commensalism