Front

A body part usually composed of several tissues grouped together into a structural and functional unit

Back

organ

Front

A chemical subunit consisting of two or more atoms joined together by chemical bonds

Back

molecule, Molecule

Front

The smallest unit of matter, not divisible by ordinary chemical means

Back

Atom

Front

A(n) _________________________________describes two or more interacting populations of different species which inhabit a given area.

Back

community, Community

Front

Organisms living with other organisms, plus their physical surroundings

Back

Ecosystem

Front

A well-defined part of a cell, often bounded by a membrane, and having a specific function?

Back

organelle

Front

An individual living entity which carries out all life functions?

Back

Cell

Front

A microscopic structural and functional unit of most living things, consisting of a cytoplasm surrounded by a limiting membrane?

Back

Cell

Front

A group of cells and intercellular substances functioning together in a specialized activity

Back

Tissue