cheetahs (acinoyx jubatus) are large cats native to grasslands in africa and central iran that can run up to 60 miles per hour. cheetahs use their speed to run down prey but can overheat during a chase. some cheetahs run faster than others. where did heritable variation in cheetah speed originate from

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Which blood cell spend most of their time in the lymphatic system?

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.