Answer:
Option (B).
Explanation:
Evolution is the process of the change of the species characteristics with the passage of time. The species that can adapt better in the environment has high chance of survival.
Human evolution has explained well in the evolution and involves human development from the ancestral primates. The human evolution has occurred at the short time might occur due to some genetic changes or mutation. The evolution of the human chromosome 2 has occurred in relatively short period of time. This shows that human have specific objectively measurable properties.
Thus, the correct answer is option (B).
Answer:
n is an even number if and only if it's divisible by 2.
Explanation:
Biconditional statement is a type of statement which is only written when the both segments of the sentence are true. For writing biconditional statement, ''if and only if'' words should be used. For example, the two sides of the triangle are same if and only if both have same length. The biconditional statement considered as true if both the segments are true in nature. Symbolically, it is denoted by double arrows between two symbols.
The thalamus - serves as the relay center of the brain where most senses are routed for processing.