Midterm 7th Vocabulary

Front

The diffusion of water molecules across a selectively permeable membrane.

Back

Osmosis

Front

An animal with a backbone.

Back

Vertebrates

Front

Single celled organisms that lack a nucleus; prokaryotes.

Back

Bacteria

Front

A property of cell membranes that allows some substances to pass across it, while others cannot.

Back

Selectively Permeable

Front

An action or change in behavior that occurs as a result of a stimulus.

Back

Response

Front

The process by which cells take in substances by engulfing them.

Back

Endocytosis

Front

The process of expelling materials from a cell.

Back

Exocytosis

Front

Organisms that do not have a backbone.

Back

Invertebrates

Front

The ability of an organism to maintain stable internal conditions.

Back

Homeostasis

Front

A group of similar cells that perform a specific function.

Back

Tissue