Question 1

why is water necessary for living organisms?

all organisms need water to stay clean.

all organisms need water as an energy source.

all organisms need water to transport chemicals into their cells.

all organisms live in the water.

2 points

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?