If a person has a family history of substance abuse, does this mean that the person will also become a substance abuser? why?

How do adaptation affect a species?

Depending on the organism the number of in a cell may change

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.