Population Ecology Review

Front

An organism that produces its own energy is called a(n)

Back

Autotroph

Front

What are the levels of ecology from smallest to the largest?

Back

organism, population, community, ecosystem, biome, biosphere

Front

In the energy pyramid, how much of the energy in each level gets lost as heat or used by the organism for survival?

Back

90%

Front

Which organism receives the least amount of energy from the producer?

Back

Owl

Front

What will most likely happen to the hawks and rodents if the insects were removed?

Back

There will be fewer rodents and hawks.

Front

What is a heterotroph?

Back

An organism that cannot produce its own food and must consume other organisms for energy.

Front

Define a detritivore.

Back

An organism that feeds on dead organic material, breaking it down into smaller particles.

Front

What is the difference between a community and an ecosystem?

Back

A community is made up of different populations of organisms, while an ecosystem includes the community and the abiotic factors in the environment.

Front

What is a biome?

Back

A large geographical biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

Front

What is the biosphere?

Back

The global sum of all ecosystems; the zone of life on Earth.