Explanation:
C. Eubacteria and Archaebacteria
Nitrogen fixation is the process where atmospheric nitrogen is converted by bacteria into biologically usable forms.
plant can not take nitrogen directly from the leaves.
The Right Answer Is Exoskeleton.
Because there are too many sex chromosomes I think
A theory that states that only the organism with traits that are useful to the environment survive. For example, short-neck giraffes would’ve died out years ago as they can’t reach the trees nor eat grass on the ground.
