The answer to your question is option b
This is because if the trees are black, and covered with soot due to the pollution, caused by industrialisation, the white moths will be easily seen and constantly hunted by the predator, compared with the black moth population as they camouflage easily. Ultimately, the white moths would be hunted to such an extent that their population would dramatically decrease
True More people do live in development nations than live in developed nations
E. beef liver
none of these foods have cholesterol, in fact avocado can help lower cholesterol.
The answer is; C
Use the Hardy Weinberg equiation for population in assumed equilibrium. ( p+q = 1)
If p = 0.3 then q=1-p = 1-0.3 = 0.7
People who are heterozygous for the disease are represented by 2pq = 2 * 0.3 * 0.7
0.42