Organelle that captures light energy and converts it to chemical energy through photosynthesis

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?

The science for classifying and naming organisms is known as

Ecology can best be described as the study of what