I think that it’s A, D, and F
-the particles do not have a charge
-movement across membrane doesn’t require additional energy
-the particles crossing could be oxygen or water
Mutation can cause instant adaptation while natural selection is the process by which adaptation occurs over a series of generations.
Answer:
Explanation:
The central nervous system (CNS) does not have capacity to repair itself but, the PNS or the peripheral nervous system can repair and regenerate itself. The PNS can regenerate its damaged axon only when its cell body or cyton and its neurilemma are intact. The proximal end of the cyton has growth cones. The axon grows from the cones.
Atoms come together to form molecules because of their electrons. Electrons can join (or bond) atoms together in two main ways. When two atoms share electrons between them, they are locked together (bonded) by that sharing. These are called covalent bonds