Answer:
Option A
Explanation:
The vestibular system is a part of the inner ear that provides the most important contribution to the sense of balance and coordinating movement with balance. This system is made up of two parts which are the three semicircular canals and the two otolith organs. The two otolith organs are the saccule and the utricle. The utricle is sensitive to changes with regards to horizontal movement and the saccule provides information about vertical acceleration. They are able to do this due to their orientation in the inner ear providing spatial orientation with regards to movement and balance. the three semi circular canals includes the horizontl, poterior and the superior semicircular canals. they provide sensory inputs.
Answer:
Explanation:
Never still, the earth and its environment are constantly changing. ... Surviving in a changing world is difficult if an organism cannot change along with it. ... Slowly, the population of fish will become more fully adapted to its new environment. ... Sometimes the changes cannot take place fast enough and a whole population
Because it is tilted toward the sun and receives the most direct sunlight
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.