Answer: The "Eustachian tube" helps equalize the pressure within the ear.
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I believe its carbohydrates?
Answer:
Directional selection vs Disruptive Selection
Explanation:
Directional selection leans to a phenotype that is more fittest to the environment of a species, directional selection favors a phenotype extreme values for a trait over medium ones
In an animal cell, Mitochondria alone provides energy required to carry out all life essential cellular activities like synthesis of substance, disposal, Synthesis of protein,etc, by converting food into energy rich molecules called ATP.
Whereas in case of a plant cell, Chloroplast along with Mitochondria generates energy for the cell. Chloroplast in the plant cell uses sunlight to synthesis energy through the process of light and dark reaction simultaneously.
