C, it guarantees the survival of a species, for example there are a species of moth called the pepper moth, some of them are light and some of them are dark, where the pepper moths live has dark trees, the pepper moths that are lighter in color are likely to be eaten by birds because they are easier to see making the amount of light pepper moths scarce while the dark pepper moths live to breed and have offspring.
Answer:
Because, Air (or any gas) takes up space in water, just like solids. Air (or any gas) is less dense than water, so gas bubbles float to the top of water.
Answer:
mutation
Explanation:
A mutation is a change that occurs in copying a DNA sequence where the order of the proteins could be altered.