Biology Midterm Review

Front

What factors affect carrying capacity?

Back

Carrying capacity is affected by both biotic (living) and abiotic (non-living) factors.

Front

What are DNA and RNA examples of?

Back

DNA and RNA are examples of nucleic acids.

Front

What is diffusion?

Back

Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration.

Front

Which organism is the closest relative of humans on a cladogram?

Back

The hare is the closest relative of humans.

Front

What happens to an animal cell in a hypertonic solution?

Back

An animal cell placed in a hypertonic solution will shrink.

Front

Define biotic factors.

Back

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

Front

Define abiotic factors.

Back

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

Front

What is osmosis?

Back

Osmosis is the diffusion of water across a selectively permeable membrane.

Front

What is an isotonic solution?

Back

An isotonic solution has the same concentration of solutes as another solution, resulting in no net movement of water.

Front

What is the role of nucleic acids in cells?

Back

Nucleic acids, such as DNA and RNA, store and transmit genetic information.