What is the function of our ecosystem? a)It shields the Earth from the sun's UV rays. b)It breaks down and absorbs pollution. c)It increases oxygen in the atmosphere. d)It increases temperature in the summer and decreases temperature in the winter.

The production of cells during mitosis into specialized function is recombination or differentiation

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

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?