The sea dragon is a fish that looks and acts like kelp in order to attract its food. A researcher proposes that this is due to a genetic modification that expands smaller appendages already present in these fish's ancestors. What type of explanation is this?
a. functional
b. evolutionary
c. ontogenetic
d. biological
b
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REM sleep is sometimes referred to as:
a. daydreaming c. paradoxical sleep b. rebound sleep d. delta sleep
People with antisocial personality disorder ____.?
a. ?are very likely to seek treatment b. ?can appear to be charming and sociable c. ?typically have limited social skills d. ?are typically unsociable
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