Ecology

Front

What is the primary source of energy in an ecosystem?

Back

solar energy

Front

What is one of the best ways to represent the interdependence of all of the organisms in an ecosystem?

Back

a food web

Front

Stability within an ecosystem is achieved partially by the presence of organisms that break down important molecules and return those nutrients to the soil. These organisms are: plants, herbivores, detritivores, decomposers.

Back

decomposers

Front

Which type of organism could occupy levels B, C, and D of an energy pyramid?

Back

consumer

Front

Why are producers generally found at the beginning of a food chain?

Back

Producers do not rely on other organisms for food.

Front

In an ecosystem pyramid, what do the arrows labeled X represent?

Back

the loss of energy in the form of heat

Front

A single individual belonging to a specific species

Back

Organism

Front

All of the living and nonliving things in an area that interact with each other are called a/an ______. Options: community, habitat, population, ecosystem

Back

ecosystem

Front

Two or more members of a particular species living and interacting in the same area

Back

Population

Front

Different populations living and interacting with each other in the same area

Back

Community