Why can’t the evolutionary relationships between certain species be explained thoroughly? a. their fossils are too large to study. b. they have different physical characteristics. c. a link is yet to be discovered. d. the species are poorly related to each othe

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b. through genes c. through seasonal cycles d. through hibernation

Use the distance formula to determine weather each pair of segments have the same length