EOC Biology Review

Front

What happens during the S phase of the cell cycle?

Back

Replication of the DNA.

Front

What best describes an ecosystem?

Back

A group of populations as well as the abiotic environment.

Front

What would happen if grass populations decrease?

Back

A decrease in all other populations would occur.

Front

Why is there less available energy in the fourth trophic level?

Back

Because of the loss of energy through metabolism in each of the lower trophic levels.

Front

What is the function of ribosomes in a cell?

Back

Produce protein.

Front

What is the role of producers in an ecosystem?

Back

Producers convert sunlight into energy through photosynthesis.

Front

What is a food chain?

Back

A sequence that shows how energy and nutrients flow from one organism to another.

Front

What is a trophic level?

Back

A level in a food chain or food web, representing the flow of energy.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living organisms, while abiotic factors are non-living elements of the environment.

Front

What is an example of a primary consumer?

Back

Grasshoppers, which eat plants.