It requires energy when a substance must travel against a concentration gradient through the membrane
The continued presence of vestigial structures suggests that these structures do not have a great impact on fitness, like in the whale, because even with these structures, the whale has been able to survive and reproduce.
Answer:
have a decrease in blood pressure
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mark brainlliest
<span>Mutations can bring about changes in appearance, structure, or function of many different areas, but many go unnoticed. Many of these changes are benign, some are advantageous, and some are negative. Some can be mixed (sickle cell anemia and malaria resistance).</span>
Answer:
Weather on Earth is caused by heat from the sun and the movement of the air. All-weather happens in the lower layer of Earth's atmosphere, which is a layer of gases surrounding Earth. This movement of air is what we call wind. Winds bring changes in the weather, such as clear sunny skies or heavy rain.
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