What Does the Presence of a Tail in Early Human

question 30

Multiple Choice

What does the presence of a tail in early human embryos and other chordates suggest about all chordates?

• A) Chordates may eventually develop a tail when fully mature.
• B) Chordate embryos have greater mutation rates than other organisms.
• C) Chordates develop in a very different manner compared to other life forms.
• D) Chordates were derived from a common ancestor with this developmental pathway.

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Definitions:

Enclosed Places

Areas or environments that are surrounded by barriers such as walls or structures, limiting access and egress.

Enema

A procedure where liquid or gas is injected into the rectum, usually to expel its contents, but also to introduce drugs or permit X-ray imaging.

Colon

The large intestine.

Contrast Medium

A substance used in medical imaging to highlight specific structures or fluids within the body to improve the clarity and diagnostic accuracy of the images.