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Answer:
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
Genetic drift is the change in the frequency of an existing gene variant in a population due to random sampling of organisms. The alleles in the offspring are a sample of those in the parents, and chance has a role in determining whether a given individual survives and reproduces.
Allopatric speciation, also referred to as geographic speciation, vicariant speciation,
Answer:
The trait that are inherited from parents to the offspring are known as inherited trait .
Eg:AIDS
The trait that are inherited after the birth from the change of natural environment is known as acquired trait .
Eg: swelling of body