Answer:
the United States, Canada and Greenlang
Ans.
Sickle-cell disorder is a genetic disorder, which shows defected red blood cells, due to mutation in the genes for hemoglobin protein.
Malaria is common in sub-Saharan Africa region and there, natural selection favored gene for sickle cells, because it might be beneficial to people having sickle cell disease that makes them able to survive in such condition and transmit their genes to offspring.
On the other hand, in those Africans, who moved to United States, where malaria is uncommon or absent, natural selection favored normal, wild type genes, resulting in fewer people with defected sickle cell.
Hence, sub-Saharan African population shows higher percentage of mutated gene for sickle cell as compared to population of United States.
Thus, the evolutionary process behind this difference is 'natural selection.'
Answer:
Okay so it would affect the loss of the plants habitat in a bad way
Explanation:
Let's say bees were lacking in the animal kingdom. So flowers wouldn't get pollinated making it bad for the flower to grow. So it wouldn't be the best of habitat for the flower. Helpfully this helped
<span>How much of the Earth’s water is usable as a freshwater resource?
3%</span>
Answer:
d. The sun is stationary and the moon is moving.
Explanation:
Hope it helps.
