In northern california, two types of pine trees grow in close proximity. one of the pine trees drops its pollen in march, and the other in may. their inability to cross pollinate is best described by which mechanism? a. genetic drift b. behavioral isolation c. temporal isolation d. geograpical isolation

In which process is oxygen absorbed by an organism asap apex

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime

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.