There are two types of american rat terrier dogs those without hair and those with hair the presence of hair is a genetically determined trait. some female rat terriers with hair produce only puppies with hair, whereas other females produce rat terrier puppies with put hair. explain how this can occur

Ais a group of individuals of the same that exist together in the same place at the same time

Solutions to environmental problems in europe must

How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)