The __________ Are Some of the Most Abundant Animals on Earth

question 11

Multiple Choice

The __________ are some of the most abundant animals on earth.

• A)nematodes
• B)rotifers
• C)kinorhynchs
• D)gastrotrichs
• E)nematomorphans

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Definitions:

Thyroid Gland

The endocrine gland that produces thyroxine and regulates metabolism.

Pituitary Gland

A pea-sized gland located at the base of the brain that produces hormones which regulate important bodily functions, including growth, metabolism, and reproduction.

Adrenal Glands

Glands located above the kidneys that produce a variety of hormones including adrenaline and cortisol, which regulate stress responses and other vital functions.

Circadian Variables

Factors that can influence the rhythm of circadian biological clocks, including light exposure, timing of meals, and physical activity.