What is the choices for the blank?
Answer:
Habitat isolation
Explanation:
It is a type of reproductive isolation between species, also referred to as allopatry, where they are kept apart by geographical barriers such as in this case, the large ranges that do not overlap. The behavioral difference between tigers and lions is a type of sympatry reproductive isolation where even though the two species encounter frequently, behavioral isolation prevents them from interspecies reproduction.
A dam is a structure built across a stream or river to hold water back. Dams can be used to store water, control flooding, and generate electricity.
Answer:
B- Hemoglobin E O is the answer
They are considered invasive because they out-compete native fishes for resources