Deep sea animals cannot produce food as there is no light. They have to depend upon the fall out of organic debirs raining down on them from surface layers. Hence they are detritivores.
D) environmental cues such as the smell or taste of food
A) stomach enzymes
B) pancreatic enzymes
C) physiological drive
D) environmental cues such as the smell or taste of food
Answer & ExplanationAnswer: D) environmental cues such as the smell or taste of food
Explanation:
Appetite is the desire to eat food, sometimes due to hunger. Appetite is triggered by environmental cues such as the smell or taste of food. Appealing foods can stimulate appetite even when hunger is absent.
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