According to the Phylogeny in the Figure Below,which of the Following

question 20

Multiple Choice

According to the phylogeny in the figure below,which of the following statements is true?

• A)All chordates have a neural tube.
• B)Echinoderms have a neural tube.
• C)Amphioxus have a neural crest.
• D)All chordates have a neural crest.

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Definitions:

Contains DNA

Refers to cells or structures that hold deoxyribonucleic acid, the molecule carrying genetic instructions.

Digestive Enzymes

Proteins produced by the digestive system to break down food into nutrients in preparation for absorption.

Outer Boundary

The external limit or edge of an area, system, or object, defining its spatial extent or separating it from surrounding environments.

Isotonic Solution

A solution having the same osmotic pressure as another solution, often referring to bodily fluids, allowing for the free movement of water across membranes without changing cell volume.