Ecology Unit Test Review (BIO)

Front

What are the two factors that can cause a population to increase?

Back

Birth rate and immigration.

Front

What are nonliving things in an ecosystem called?

Back

Abiotic factors.

Front

What does the 10% rule for an energy pyramid explain?

Back

Only 10% of the energy from one trophic level is passed to the next.

Front

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

Back

Through decomposition and respiration.

Front

What happens to a population if the number of births is greater than the number of deaths?

Back

The population will increase.

Front

Define 'abiotic factors' in an ecosystem.

Back

Nonliving components that affect living organisms, such as water, sunlight, and minerals.

Front

What is the role of producers in an ecosystem?

Back

Producers convert solar energy into chemical energy through photosynthesis.

Front

Explain the concept of carrying capacity.

Back

The maximum number of individuals of a species that an environment can support sustainably.

Front

What is the difference between immigration and emigration?

Back

Immigration is the movement of individuals into a population, while emigration is the movement out of a population.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.