Answer:
Motor unit
Explanation:
A motor unit is the entirety of an individual efferent or motor neuron that innervates or controls a group of muscle fibres.
D. Bounce four is the answer
C. Diffusion.
The particles move WITH the concentration gradient
D. is the answer. Darwin - survival of the fittest.
Darwin believed that the desires of animals have nothing to do with how they evolve, and that changes in an organism during its life do not affect the evolution of the species. Lamark believed in aquired characteristics being passed down.
