Explanation:
females have the set XX and males have XY
Answer:
reproduction? not entirely sure what the question is asking for, but i think its reproduction.
Explanation:
Answer:
Letter C
Explanation:
Salmon have a physiological adaptation that allows osmoregulation to occur in two different environments (seawater and freshwater). There are specific molecules in the salmon gills that "pump" and "remove" Na and Cl ions. When at sea these molecules pump the ions out of the salmon's body and into freshwater, the same molecules remove Na and Cl from the water bringing it into the animal's blood.
I think it is b
<span>Amphibia, Reptilia, Aves, and Mammalia</span>