Someone asks you why some crustaceans have blue blood, and some worms have green blood. a good answer would be that these creatures don’t have the protein called: a. deoxyribonucleic acid. b. hemoglobin. c. the nucleic enzyme. d. pulmonasis.

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

In "the pig," what is the main effect that the piglet initially has on kibuka?

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?