Select the correct statement about the heart valves. a. The tricuspid valve divides the left atrium from the left ventricle. b. The mitral valve separates the right atrium from the right ventricle. c. The AV valves are supported by chordae tendineae so that they do not blow back up into the atria during ventricular contraction. d. Aortic and pulmonary valves control the flow of blood into the heart.

Which of the following is a difference between a food chain and a food web? selected: a. food webs contain both plants and animals. food chains only contain animals.this answer is incorrect. b. food webs show energy transfer. food chains show which animal eats which animal. c. food webs separate organisms by tropic level. food chains do not. d. food webs are a complex patterns of energy flow. food chains only show one line of energy flow.

Neeed now for 1. eye color is a polygenic trait. what is the possibility of getting a green (aabb) eyed child, if parent 1 has brown eyes (aabb) parent 2 has blue eyes (aabb) 2.albinism is a recessive trait. having normal pigment is the dominant trait. what is the possibility of having an albino child if parent 1 is heterozygous normal parent 2 is heterozygous normal 3.in rabbits black fur is dominant over white fur. what is the probability of getting a rabbit with black fur if parent 1 is heterozygous black parent 2 is homozygous white

Genes that come together with different alleles are heterozygous. homozygous. genotype. segregated.