A. Geographical Isolation
Explanation - Geographical Isolation alludes to the physical obstructions that exist that shield two species from mating. For instance, a types of monkey that is situated on an island can't breed with another types of monkey on the terrain.
The water separates the two species by keeping them secluded from each other and make it unthinkable for them to breed. In this case, fishes of different ponds cannot breed because they are separated from one pond to another.
I think the answer is Phenylketonuria.
Decreased population will decrease the rate at which resource is consumed.
Option C.
<h3><u>Explanation:</u></h3>
Rate of resource utilization depends on the demand for resources among a population. The demand increases with the increase in population who actually uses the resource to increase their comfort.
With the increase in population and increased desire for resources, the rate of consumption of resources is increased. Decreased cost of harvesting the resources will led to wastage of resources, which will again increase the demand again.
So, decrease in population will only decrease the demand for resources. This will actually decrease the rate for the resource harvesting.
Answer: They must be Carriers Bb of the bb genotype.
Explanation: Blue eyes are a reccessive phenotype meaning its visable. If both parents are carriers of this gene Bb and they reproduce their is a 25% chance the baby will have blue eyes, a 50% chance they will be carriers like their parents, Bb, and a 25% to be completely dominant brown eye geneotype, BB.
