Examlex
Which of the following lines of evidence suggests that lungfishes evolved while Pangaea was intact?
Hunger
A physical sensation and a critical motivational state for organisms, indicating the need for food intake.
Sexual Arousal
A physiological and psychological state of heightened excitement and readiness for sexual activity.
Insulin
A hormone produced in the pancreas that regulates blood sugar levels by allowing glucose to enter cells.
Hunger
The physical sensation or condition of needing food due to a lack of food intake for some time.
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