The gradual decline in men's testosterone levels in middle age can reduce their sex drive
Well mutations can be a positive or a negative feature. Some mutations can be used as a camouflage so stay safe from predators. Other mutation could give off a bright color which would make it hard to stay hidden from predators.
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The ground will get wet and the seeds will sink in the ground then t ground will dry up and the seeds will get stuck
Answer:
Active transport requires energy input from the cell.
Earthquakes because they shift the plates.
