The simplified drawing shows how changes in polar vortex winds high in the stratosphere can influence the North Atlantic to cause changes in the global "conveyor belt" of ocean circulation.
veterinarians and zoologists work with animals in a professional capacity.
Veterinarians primarily provide medical care to animals that are kept as pets or livestock on a farm.
Zoologists are researchers who primarily focus on understanding the relationship between wild animals and other animals or their habitat.
The fact that the two strands of DNA are complementary <span />
<h2>Answer:</h2>
The speciation occurred <u>because of different mating calls.</u>
<h3>Explanation:</h3>
- Speciation is an evolutionary process which occurs when one group of specie evolve due to climate change into distinct specie.
- According to this concept, the gray frogs will change into a distinct specie and they will not evolve to frogs, living in grasslands.
- Basically, the one feature of the specie which prevents them to merge into the same specie of other population is the cause of speciation.