Answer: Hi.... I hope it helps!!
Skin Pigmentation in humans
Explanation: Polygenic inheritance- It is simply a single characteristic which is controlled by more than two genes. Human skin's color is determined by the amount of dark pigment it has which is melanin
. Minimum four genes are involved in the melanin production.
It is a case of continuous variation as the combination of melanin producing allele are responsible for degree of pigmentation
<span> A. a process by which organism keep internal conditions relatively constant despite changes in external conditions. </span>
Answer:
I would say B
Explanation:
this is becuase in order for it to be a compund it would need more than one type of atom. hope this helps :)
Answer:
B. Viruses
Explanation:
Viruses are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.