A). The increase in genetic variation of a population
I just took 4.05 Animal Adaptations
Answer is Outer ..inner.
The outer ear is
composed of the earlobe (pinna) and ear canal. The earlobe
collects sound (hence its characteristic
shape) and directed it via the rea canal
where it hits and vibrates the eardrum. The middle ear amplifies the sound and transmits it to the inner ear ( comprised of
the bony labyrinth, a hollow cavity in the temporal bone of the skull with a
system of passages) that has mechanoreceptors that convert the mechanical action of the sound to a nerve impulse.
Oxygen has a partial negative charge, whereas hydrogen had a partial positive charge.
This means that water molecules are polar and can be used to dissolve a lot of chemicals, that's why water is such a popular solvent.
<span>The surface area/volume ratio is an important factor for one celled organisms. This is because A) diffusion is the primary method these cells use for material transport.</span>
Neanderthals is the closest relative to modern human. According to the study of evolution of man, neanderthals are the one with the closes facial structure and body structures to human.
Their higher classification is already considered as human.