Question

this is called Hunger Sign in Biology

Answer 1

Hungary presents physiological need to eat food. Satiety is the absence of hunger, the it is the sensation of feeling full. hapatitis another sensation experienced with eating, it is the desired to eat food.

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Answer 2

It is the sensation of plants to get nutrition. The plant sometimes may fall to its one side due to lack of nutrition. Falling of the plant to the side of water or nutrition is a kind of hunger sign.

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