Eighth Grade Science FINAL EXAM REVIEW

The scientific study of interactions among organisms and their physical environment.

• ecology

• ecosystem

• pscyhology

• biology

Consists of all life on earth, and all parts of earth in which life exists including land, water and the atmosphere.

• biosystem

• biology

• biosphere

• cryosphere

What does an organism get from its environment?

• food

• water

• shelter

• other things it needs to live, grow and reproduce

An environment that provides the things a specific organism needs to live, grow, and reproduce.

• ecology

• habitat

• ecosystem

• biosphere

Any living part of the environment with which an organism may interact including animals, plants, fungi and bacteria.

• biotic factors

• abiotic factors

• biologic factors

• abiologic factors

5 biotic factors include:

• humans

• trees

• prairie dogs

• mushrooms

• butterflies

Any non-living part of the environment.

• biotic factors

• abiotic factors

• biologic factors

• abiologic factors

5 abiotic factors:

• humidity

• water

• wind

• currents

• soil type

Organization of an ecosystem: any individual living thing that can react to stimuli, reproduce, grow, and maintain homeostasis.

• individual organism

• species

• population

• community

Organization of an ecosystem: a group of organisms that can mate with each other and produce offspring that can mate and reproduce as well.

• species

• individual organism

• population

• community