Parasitic Species Tend to Have Simple Morphologies

question 7

Multiple Choice

Parasitic species tend to have simple morphologies. Which of the following statements best explains this observation?

• A) Parasites are lower organisms, and this is why they have simple morphologies.
• B) Simple morphologies have been naturally selected for in most parasites.
• C) Parasites have not yet had time to progress, because they are young evolutionarily.
• D) Parasites do not live long enough to inherit acquired characteristics.

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Definitions:

Self-awareness

The awareness of one's own personality, emotions, motivations, and wishes.

Sensory Receptor

A specialized structure that responds to environmental stimuli by conveying signals to sensory nerves.

Action Potentials

Electrical impulses in neurons or muscle cells that occur when the membrane potential of a cell rapidly rises and falls.

Receptor Potentials

The electrical potential changes occurring in sensory neurons’ receptors in response to stimulating agents, leading to the generation of action potentials.