The Total Number of Species Present Within a Community Is

question 89

Multiple Choice

The total number of species present within a community is called

• A)species evenness.
• B)species diversity.
• C)species richness.
• D)relative abundance.

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Definitions:

Cremaster

A muscle that raises and lowers the testes in response to temperature changes and sexual arousal, helping regulate testicular temperature.

Dartos

is a layer of smooth muscle in the scrotum that contracts in response to cold, wrinkling the scrotal skin and helping to regulate the temperature of the testes.

Scrotal Sac

The pouch of skin holding and protecting the testicles in male mammals, also aiding in temperature regulation for spermatogenesis.

Steroid Hormone

A class of hormones synthesized from cholesterol that includes testosterone, estrogen, and cortisol, which play key roles in various bodily functions.