Ancestral Characters Are Traits That

question 62

Multiple Choice

Ancestral characters are traits that

• A) characterize the last common ancestor that a particular collection of species share.
• B) evolved after the last common ancestor that a particular collection of species share.
• C) are less suited to the environment than derived characters.
• D) are less specialized than derived characters.

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Definitions:

Pain Stimulus

A physical or chemical factor that can cause pain sensation by directly affecting nociceptive neurons.

Top-Down Processing

A cognitive process that starts with the brain's use of accumulated knowledge to interpret new information or sensory input.

Fear Sensitivity

The heightened perception of fear stimuli, leading to increased anxiety or stress in response to fear-inducing situations.

Subliminal Stimulation

A means of communication below the threshold of conscious perception, designed to influence thoughts, feelings, or actions without awareness.