Answer:
E) founder effect and genetic drift
Explanation:
Dunkers moved to Pennsylvania and inhabited a new area to develop a new population. This new population might not have the same gene pool and the same allele frequencies for all the genes as present in the original population. The change in the allele frequencies of a population due to the colonization of a new area by a few members is called the founder effect.
The small size of the new population of Dunkers present in Pennsylvania was more likely to be affected by any chance event which could have added more uniqueness to their gene pool. This is called genetic drift. Therefore, the genetic uniqueness of their population from all the other populations and from their original population might be the result of founder effect and genetic drift.
How a rock is used depends on its physical properties.
I think it’s asking which is not a compound cause all of them are compounds the only one that isn’t a compound is carbon dioxide gas
The function of spinal cord is to transport information between different parts of the nervous system.
Nervous system has two parts:
Central nervous system
Peripheral nervous system.
Central nervous system includes brain. Peripheral nervous system includes spinal cord.
Spinal cord receives nerve impulses from body and transport it to the brain.
It also receives orders in form of nerve impulses which are transported to receptors for response.
Its is oceans because it stores more water