Ecology FL24 Quarter 2 Review

Front

What is a density independent limiting factor?

Back

A factor that limits the growth of a population regardless of its density, such as natural disasters like tornadoes.

Front

What is a meander in a river?

Back

A curve or bend in a river, often formed by the erosion of the riverbank.

Front

What percentage of energy is typically passed on to the next trophic level in an ecosystem?

Back

10%.

Front

What is biomagnification?

Back

The process by which the concentration of toxins increases in the bodies of organisms at each successive trophic level.

Front

What is runoff in the context of water movement?

Back

Water that flows over the ground surface rather than soaking into the ground.

Front

Define a trophic level.

Back

A specific level in a food chain or food web, representing organisms that share the same function in the ecosystem.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

Explain the concept of a food web.

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What is a keystone species?

Back

A species that has a disproportionately large effect on its environment relative to its abundance.

Front

Define ecological succession.

Back

The process by which ecosystems change and develop over time, often following a disturbance.