The Monoplacophora

question 24

Multiple Choice

The Monoplacophora

• A)lack a shell.
• B)live in fresh water.
• C)lack a foot.
• D)have several internal organs that are serially repeated.
• E)All of the choices are correct

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Definitions:

Testes

The male reproductive glands that produce spermatozoa (sperm cells) and testosterone, located within the scrotum.

Scrotum

The pouch of skin that houses and protects the testicles in males, as well as regulates temperature for sperm production.

Testes

Male reproductive organs tasked with producing sperm and sex hormones, primarily testosterone.

Leydig Cells

Cells located within the testes that produce testosterone in response to luteinizing hormone.