Different environment cause different species to "<span> Become more diverse" this process is known as "Adaptation" which changes the characteristic of an organism according to its environment
In short, Your Answer would be Option A
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Answer:
c. CNS
Explanation:
The Central Nervous System (CNS) is responsible for receiving and transmitting information throughout the body. We can define it with the command center that coordinates the activities of the body. It consists of the brain and spinal cord, which are protected by the skull and spine respectively.
Both structures are reinforced by three connective blades, called meninges. They are: dura mater, arachnoid and pia mater. Between the last two there is a fluid that is responsible for the nutrition of the CNS and the minimization of possible trauma caused by mechanical shocks.
Answer:
B is oldest because it is at the bottom which entails that it is the oldest.
Explanation:
