The answer is D its tightly packed cells allow for proctection against harmful substances.
Answer:
Explanation:
Autosomal recessive is one of several ways that a trait, disorder, or disease can be passed down through families. An autosomal recessive disorder means two copies of an abnormal gene must be present in order for the disease or trait to develop
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the flagellum helps the cell to move through water. Scientists think that the flagellum and the light-sensitive spot work together to increase photosynthesis. Light sensitive spot detects light.
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