When Unrelated Organisms Living Under Similar Environmental Demands Evolve Superficially

question 25

Multiple Choice

When unrelated organisms living under similar environmental demands evolve superficially similar structures, it is called:

• A)superficial selection.
• B)comparative anatomy.
• C)convergent evolution.
• D)coevolution.

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Definitions:

Hypothalamus

A region of the brain below the thalamus, coordinating both the autonomic nervous system and the activity of the pituitary, controlling body temperature, hunger, thirst, fatigue, sleep, and circadian cycles.

Sleep-Wakefulness Cycle

The circadian rhythm that regulates periods of sleep and wakefulness over a 24-hour period.

Mediumship

The practice of purportedly mediating communication between spirits of the dead and living human beings.

Western-Based

Approaches, methodologies, or perspectives that are rooted in or heavily influenced by Western culture and philosophies.