Which of the Following Statements About Deuterostomes Is True

question 41

Multiple Choice

Which of the following statements about deuterostomes is true?

• A) Deuterostomes lack true tissues.
• B) Deuterostomes have only two tissue layers.
• C) The opening that forms during deuterostome gastrulation becomes the anus.
• D) The opening that forms during deuterostome gastrulation becomes the mouth.

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Definitions:

Petiole

The stalk that attaches a leaf blade to the plant stem, allowing for flexibility and the transport of nutrients and water.

Monocots

A group of flowering plants (angiosperms) characterized by having a single embryonic leaf, or cotyledon, in their seeds.

Eudicots

A major grouping of flowering plants characterized by having two seed leaves, or cotyledons, upon germination.

Pfr

Phytochrome Far-red form, a light-absorbing form of the phytochrome plant photoreceptor, significant in regulating plant development in response to light.