While researching how genes are passed from on from generation to generation Gregor Mendel experimented of Pea plants from which structure in the pea plants flower did Mendel obtain pollen

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 kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

These are the components of the reservoirs of carbon that are exchanged in our environment.