This change in chromosome number is the result of B. Fertilization. Both of the individual gametes from the male and female combine together to produce a zygote or developing offspring that is diploid in most cases, and possess both sets of genetic content or chromosomal information, one from each parent.
Answer:
structures that preform many jobs in cells :)
Answer:
Design more studies testing the effect of duration and intensity of exercise on cholesterol levels in different age groups.
Explanation:
B. Habitat Destruction
This is because the wading birds' wetland habitat was destroyed by the housing developers. Since the wetland was drained, their habitat is no longer available to them for nesting or hunting.
A.Nitrogen
B.Humus
c.Manure
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