Group of organisms of the same species that live together:

Group of organisms of different species that live together

Which of the following is not a Protist?

A virus is a very small infective agent that consists of a core of nucleic acid and is dependent on a living host.

By definition, an organism that is eukaryotic:

How many domains form the three main branches of the tree of life?

Which is the main structural component of the walls that surround plant cells?

A cell is surrounded by which distinctive surface membrane?

Nutrients get cycled within an ecosystem.

Adaptive traits tend to become more common in a population over time.