NC Biology EOC Review

Front

What is a food web?

Back

A food web shows interconnected food chains in an ecosystem, illustrating how energy and nutrients flow between different organisms.

Front

What carries the instructions for making amino acids in a protein?

Back

The nitrogen base on the tRNA carries the instructions for making amino acids in a protein.

Front

What are the three components of a nucleotide?

Back

The three components of a nucleotide are sugar, phosphate, and nitrogen base.

Front

What are abiotic factors?

Back

Abiotic factors are all the nonliving things in an environment, such as water, sunlight, and minerals.

Front

Why are animals considered heterotrophic?

Back

Animals are considered heterotrophic because they obtain nutrients by consuming other organisms or their products.

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

Define 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.

Front

What is the difference between biotic and abiotic factors?

Back

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

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.