A6th grader begins to make his sandwich for lunch. there are two loaves of bread in the pantry. when he opens the first loaf, he notices a growth of mold on the first slice on bread. when he opens the second loaf, all of the slices are mold-free. what can he infer about the two loaves of bread?

Which of the following is an oxidation-reduction reaction? (pictured below)

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.