All of the living and nonliving things interacting in an area

The amount of matter in an object

What is a biotic factor?

What is an abiotic factor?

To arrange in categories according to shared characteristics

The total number of one species in a particular area at a certain time

Anything that has mass and takes up space

All of the living things in an area at the same time

The transfer of energy from one atom to another by direct contact

The transfer of energy by the circulation or movement of the heated parts of a liquid gas

The transfer of energy through empty space

Relating to, or derived from living matter

A group of living organisms, consisting of similar individuals capable of exchanging genes or interbreeding

The factor in an experiment that is changed or manipulated

A place or location where an organism lives resides or exists

Organisms who have a nucleus enclosed with a nuclear membrane

The factor in an experiment that is measured

What is an atom?