Refer to the Figure

question 151

Multiple Choice

Refer to the figure. Which statement concerning the two forms shown is true?

• A) They are different stages in the life cycle of the same organism.
• B) Both are adult forms.
• C) They function in dispersal of the species.
• D) Both are bilaterally symmetrical.
• E) Both are radially symmetrical.

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Definitions:

Thoracic Cavity

The chamber of the human body located between the neck and the abdomen, encased by the ribs, sternum, and vertebral column; it contains the lungs and heart.

Serous Membrane

A thin layer of tissue that lines certain internal cavities of the body, producing a lubricating fluid to reduce friction from muscle movement.

Hypothalamus

The hypothalamus is a small but crucial part of the brain that regulates many bodily functions, including temperature, hunger, and hormone release.

Skeletal Muscle

A type of muscle that is attached to bones and is involved in facilitating movement through contraction.