All of the Following Are Correct About Protostomes Except

question 37

Multiple Choice

All of the following are correct about protostomes except

• A) the developmental fate of each cell in the embryo is fixed when that cell first appears.
• B) the blastopore becomes the animal's anus.
• C) the mesoderm splits to form the coelom.
• D) embryonic cells cleave in a spiral pattern.

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Definitions:

Glucocorticoids

A class of steroid hormones produced by the adrenal gland, involved in the regulation of metabolism and immune response.

Immune Response

The reaction of the body's immune system to foreign substances or pathogens, including the production of antibodies and other defense mechanisms.

Adrenal Medullary Hormones

Hormones secreted by the inner part of the adrenal glands, including adrenaline and noradrenaline, which play a role in the body's stress response.

Sympathetic Nervous System

A branch of the autonomic nervous system that activates what is often termed the fight or flight response, preparing the body for action.