Answer: The essence of Darwin's theory is that natural selection will occur if three conditions are met. These conditions, highlighted in bold above, are a struggle for existence, variation and inheritance. These are said to be the necessary and sufficient conditions for natural selection to occur.
Explanation:
Terrapin get the most difficult carrying what is the singer of the most of the most difficult thing in the world because the singer of the check after pulling out of it again
to end racial segregation and discrimination
<span>Oh, a state of nature is moral and political philosophy, religion, social contract theories and international law to show how people used to live.</span>