Snakes shed their outermost layer of skin regularly. which characteristic of life is this action an example of? a)excretion b)growth c)homeostasis d)nutrition e)reproduction

Patricia is told by her physician that her body and brain chemistry have physically adapted to the drug and that she has become dependent on the tranquilizers prescribed for her by another doctor.

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

Speed is the ratio of the distance of an object moves to