Key issue 3 why does population growth vary among regions answers

The population growth vary among regions because of the different conditions and life sources. On the example of human population, we can conclude that population growth is related to economic development and that the death rates fall due to improved conditions.

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explanation:

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an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.