Which term best describes the difference in colors of the birds below? natural selection. reproduce maturity genetic variation. genetic drift

Ans.

The birds given below are showing a population with different color feathers. These variations are known as genetic variation that involves difference in DNA sequence or genotype between the organisms within a population. Difference in genotype leads to difference in their phenotypic characters (physical appearance).

Thus, the correct answer is option). 'genetic variation.'

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

answers are:

lysogenic     viral dna merges with host cell dna

lysogenic     no symptoms

lytic               viral dna takes over

lysogenic     virus does not destroy host cell

lytic               virus destroys host cell

lytic               induces symptoms of viral infection

lysogenic       cell reproduces and spreads provirus