Answer:
its the skin system pleas ei just need the points
Explanation:
Despite their frequency in the intertidal zone, in tide pools, sea urchins can be found at many different depths and in any habitats. They can also be found in nearly any ocean temperature. Sea urchins inhabit the polar seas as well as the warm tropics.
<span>plasmogamy is the stage that this occurs </span>
During this time, the income distribution in the United States doesn't vary largely because most people have similar income or incomes belonging to a certain bracketed amount. The distribution apparently remains the same through time.
<span>Answer: Most people earn the same income. </span>
It has a negative impact because the salamander is so large