Nitrogen-fixing bacteria convert atmospheric nitrogen into forms of nitrogen that living things can use.
Please select the best answer from the choices provided
TRUE or FALSE?

According to the cladogram, which organisms have roundworms as a common ancestor?

What does natural resource management aim at ?

Where is the nictitating membrane found? a. between the eyelid and the eyeball b. between the retina and the optic nerve c. between the outer and middle ear d. in the organ of corti in the middle ear