The Total Number of Different Species Living Within a Community

question 19

Multiple Choice

The total number of different species living within a community is referred to as

• A) an ecological community.
• B) species richness.
• C) relative species abundance.
• D) keystone species.

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Definitions:

Identical Cells

Cells that are genetically the same, typically resulting from the division of a single original cell.

Blastocyst

A structure formed in the early development of mammals, consisting of a sphere made up of an outer layer of cells, a fluid-filled cavity, and a cluster of cells on the interior.

Implantation

The process by which a developing organism becomes attached to the uterus.

Cleavage

A series of mitotic cell divisions that transform a zygote into a blastocyst.