All the biomes in Nigeria are :
Grassland and desert.
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The best and most correct answer among the choices provided by your question is the first choice or letter A.
The geographic isolation of two populations of a species tends to increase differences between their gene pools because it <span>prevents interbreeding between the populations. </span>
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Answer:
C. Tribalism
Explanation:
There are many forms of government and "tribalism" is one which doesn't uphold a central authority. This is <em>a primitive form of government</em> which is no longer common these days.
In tribalism, people associate themselves into groups according to territories. So,<u> they feel entitled to possess the resources within their territorial boundaries. </u>They also make their own sets of rules to follow. Every tribe has <em>its own unique kind of lifestyle</em>. However, this form of government is <em>not well-protected and may often face misunderstandings and sometimes wars. </em>
It is the result of heat, mainly due to contact with magma.