Name the four main categories of carbon compounds that are important to the structure and function of cells. Provide an example of each.

How does natural selection change thephenotypes within a population over time?

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.

Which is one example of a phenotypic change that is not genetic