final test review

Front

What is the largest number of individuals of a population that the environment can support?

Back

Carrying capacity.

Front

What is the role of herbivores in a food chain?

Back

They consume plants and are a source of energy for carnivores.

Front

How do living organisms return carbon to the atmosphere in the carbon cycle?

Back

Decomposition and respiration.

Front

What type of factor is sunlight in an ecosystem?

Back

Abiotic.

Front

Which of the following is NOT a correct pair of heterotrophs?

Back

Herbivore - eat both plants and animals.

Front

Define carrying capacity.

Back

The maximum population size that an environment can sustain indefinitely.

Front

What is the primary source of energy for all ecosystems?

Back

The Sun.

Front

What do herbivores primarily consume?

Back

Plants.

Front

What process do plants use to convert sunlight into energy?

Back

Photosynthesis.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living components of an ecosystem, while abiotic factors are non-living components.