Viruses need to be inside a living thing (of course the living thing has to have the right temperature which most living things do) . When they're inside a living thing they start injecting the host's cells with its DNA in order to make more copies of itself which allows the virus to spread. So basically viruses need to be inside something living.
Answer:
e.DDT
Explanation:
DDT is biologically magnified and concentrated as it moves through the food web. This increase in concentration is due to Metabolism of DDT which excretes more slowly than the nutrients which moves from one trophic level to next. so DDT accumulates in the body especially in the Fats.
I think it's the first one: the red fox that inhabits farmlands and forests has a red coat, but it's relative, the kit fox, lives in a desert has a sandy-colored coat
Answer:
qns 2 ans is Increase in size, reduction in # of toes.
