Wings Evolved _______ in Protostomes

question 94

Multiple Choice

Wings evolved _______ in protostomes.

• A) once
• B) twice
• C) three times
• D) four times
• E) many times, independently

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Definitions:

Thymus

A gland that lies between the lungs. It secretes a hormone called thymosin.

Graves' Disease

An autoimmune disorder that results in the overproduction of thyroid hormones, causing hyperthyroidism.

Antibodies

Proteins produced by the immune system to neutralize or destroy foreign substances like bacteria and viruses.

Thyroid Gland

An endocrine gland located in the neck, which produces hormones that regulate the body's metabolism, energy levels, and growth.