Answer:
Muscles produce keratin so that hair can grow stronger. Sweat glands break down the food that is consumed. Muscles contract rapidly to produce heat on a cold day.
Explanation:
A movement of alleles resulting from migration. I hope I helped
According to sources, the most probable answer to this query is electron transport chain is a step in cellular respiration that is responsible for producing the energy currency of the cell, ATP.
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Her conclusion is invalid because using sand instead of soil slows down plant growth. Fertilizer, on its own, does not 'greatly' increase the size of the plant.
The correct way to do this experiment would be to keep all other parameters same, except the fertilizer. This will give her accurate results.
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The asnwer is Angiosperms