The answer is D. A species diversity
Answer:
One theory is that coming above ground when it rains helps worms move more quickly than they are able to while burrowing tunnels underground, according to Scientific American. Above-ground travel is only possible when it's raining or right after because they need moisture and cannot travel across dry ground.
Explanation:
a compound of the sterol type found in most body tissues. Cholesterol and its derivatives are important constituents of cell membranes and precursors of other steroid compounds, but a high proportion in the blood of low-density lipoprotein (which transports cholesterol to the tissues) is associated with an increased risk of coronary heart disease.
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