1. What is the function of the myelin sheath? what might happen if themyelin sheath did not develop properly?

2. What are two kinds of Frameshift mutations? I don’t understand what a frameshift is

3. All the earths water, land,and atmosphere within which life existsis know as ; (a) a population (b) an ecosystem (c) the biosphere(d) a biotic community

4. Blue feathers are caused by a lack of domanice from white orblack feathers. If the F1 generation is half blue featherswhat is the possible parent combination(s)?