Answer:
more individuals are produced each generation that can survive. phenotypic variation exists among individuals and variation is heritable. those individuals with heritable trails better suited to the environment will survive.
That the concentration will even out.
21. on first attachment is secondary succession
22. is the degree of variation of life....
genetic, species or ecosystem within a specific area, system or planet
23. the last one is wrong = )
The answer should be C. <span>Im not 100% sure though. the geosphere makes up the earth and its atmosphere as the lithosphere and its hydrosphere. </span>
Recessive because If one of your parents has it, you have a small chance of getting it too.