Answer
if B and b are the two alleles , B + b = 1 and B ^2 +2 Bb + b ^2
= 1. If 16% of mice are homozygous black , B ^ 2 =0 .16, meaning B = 0 .4 and b = 1 - 0.
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Most of the marine animals have a stream lined body, which means, they have a sharp and pointed at the front. The pointed front of the organism allow to cut the resistance of the water. In case, the body is not pointed at the front and it is blunt, the water current and flow would resist the movement of the organism further. So, for the locomotion purpose, it is important to have a streamlined body. Further smooth and hair less body also decrease the resistance during the movement in the water.
Answer:
D
Explanation:
a statement that can be tested through a scientific investigation
A. They live in the polar regions of the Northern and Southern Hemispheres.
Feeding relationships in which organisms feed on a variety of organisms is called a food web.
