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:
Is known as a Town meeting
Caliphs are associated with the religion of "Islam," since these are Islamic leaders who are in charge of many different aspects of the entire Muslim community.
