Biology Exam Review Unit 0/1 22

Front

What is temperature in the context of biology?

Back

Temperature is an abiotic (non-living) factor that affects living organisms and ecosystems.

Front

What happens to biodiversity when a keystone species is removed from an ecosystem?

Back

Biodiversity goes down.

Front

What type of succession occurs in an area where no soil exists, such as after a volcanic eruption?

Back

Primary succession.

Front

What does exponential growth in a population graph indicate?

Back

It indicates that the population size is increasing rapidly over time.

Front

How much energy is transferred from one trophic level to the next in an energy pyramid?

Back

10%.

Front

Define biotic factors in an ecosystem.

Back

Biotic factors are the living components of an ecosystem, such as plants, animals, and microorganisms.

Front

Define abiotic factors in an ecosystem.

Back

Abiotic factors are the non-living components of an ecosystem, such as temperature, water, and soil.

Front

What is the role of a keystone species in an ecosystem?

Back

A keystone species has a disproportionately large effect on its environment relative to its abundance, helping to maintain the structure of the ecosystem.

Front

What is the difference between primary and secondary succession?

Back

Primary succession occurs in lifeless areas without soil, while secondary succession occurs in areas where a disturbance has destroyed an existing community but left the soil intact.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients from one level to the next.