Biology Practice Exam 1

Front

Osmosis

Back

The movement of water across a selectively permeable membrane.

Front

Phenotype

Back

The appearance of a certain trait in an organism.

Front

Dependent Variable

Back

The change in mass of the eggs in an experiment.

Front

Primary Succession

Back

The process of ecological change that begins in a lifeless area, leading to the establishment of a community.

Front

Secondary Succession

Back

The process of ecological change that occurs in an area where a disturbance has destroyed an existing community but left the soil intact.

Front

Pulse Rate

Back

The number of times the heart beats per minute.

Front

Breathing Rate

Back

The number of breaths taken per minute.

Front

Homozygous

Back

An organism that has two identical alleles for a trait.

Front

Genotype

Back

The genetic makeup of an organism.

Front

Ecosystem

Back

A community of living organisms and their interactions with the environment.