Answer:
Reproductive isolation
Explanation:
Reproductive isolation mechanisms are a set of evolutionary mechanisms, actions, and speciation-critical physiological processes that prevent members of different species from producing offspring or ensuring that offspring is sterile.
Answer: Analogies
Explanation:
Analogy could be described as making a proper explanation of an object by comparison. An example would be Life is like a football, this would explain life in relation to how a football is being played or seen. In most cases, analogy would break down why a situation is so by taking a look at every component that makes up the problem, analyse them then explain them into solving the problem. This is what Dr Chan is doing with mutilated checker board problem, by solving the shoe problem before that of the checker board.
Answer: Yes
Explanation: I dont have a clue
<span>The question is asking us how was Islam spread through the Middle East after the death of Muhammad. Muhammad is considered by Muslims to be the last prophet, sent by Allah. He lived from 570 to 630. The Arabs were very successful of expanding in 10 years after his death. The Arab conquests started under the Umayyad caliphs. Around 640 Arabs conquered Byzantium`s provinces Syria and Egypt. After that they continued with their expansion in North Africa and the Middle East. Answer: Islam was spread through the Middle East primarly by Arab conquests.</span><span />