In Figure 25

question 41

Multiple Choice

In figure 25.2,the evolution of nervous systems in vertebrates and invertebrates is shown.Given that humans who eat clams contaminated with saxitoxin develop paralysis,which of the following statements is most likely correct?

• A)Clams and humans have very distinct nervous systems
• B)Clams and humans both have a spinal cord
• C)Na⁺ transporters in clams and humans evolved from a common ancestor
• D)Clams and humans have identical nervous systems
• E)Na⁺ transporters in clams and humans work by separate mechanisms

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Definitions:

Attorney

a professional licensed to practice law, offering advice, and representing clients in legal matters and court proceedings.

Bailment

A situation in which the personal property of one person (a bailor) is entrusted to another (a bailee), who is obligated to return the bailed property to the bailor or dispose of it as directed.

Bailee

The individual or party who temporarily receives possession, but not ownership, of personal property from another under a bailment agreement.

Dispose

To get rid of something, especially by throwing it away, selling it, or transferring it to someone else.