What Do All Deuterostomes Have in Common

question 4

Multiple Choice

What do all deuterostomes have in common?

• A) The pore formed during gastrulation becomes the anus.
• B) Embryos have pharyngeal pouches that may or may not form gill slits.
• C) All have specialized head and tail regions.
• D) All have a spinal column.
• E) Adults are bilaterally symmetrical.

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Definitions:

Premature

Occurring or done before the usual or proper time; too early.

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A country in North America consisting of 50 states, a federal district, and several territories.

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A component of the central nervous system consisting of neuronal cell bodies, neuropil (dendrites and axons), glial cells, and capillaries, which is critical for processing information in the brain.

Cognitive Functions

The intellectual processes that include thinking, reasoning, problem-solving, perception, and memory.