biology

A community of organisms and their physical environment interacting together

to ensure that international trade in animals and plants does not threaten their survival in the wild

The use of living organisms to remove toxic materials is also known as?

what are the three layers of the freshwater zone

resources that are replaced by natural processes faster than they are consumed

resources that are found on earth in limited amounts or that are replaced by natural processes over extremely long periods of time

the movement of an organism moving into a new area

the act of leaving a habitat or place with the intent of moving to a new place

the role and position a species has in its environment

the natural home or environment of a plant, animal or other organism