Which systems interact to maintain blood pressure? a. urinary, circulatory, endocrine b. circulatory, respiratory, nervous c. muscular, endocrine, nervous d. urinary, endocrine, nervous

Which process of living things produces water that enters the water cycle

Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.

S, tall stems (t) is a dominant trait while short stems (t) is a recessive trait. in a field of 1000 sunflowers, 820 are tall plants and 180 are short. which statement best describes the genotype of the sunflowers in the field?