The UV is needed by the skin to make previtamin D3. Previtamin D3 or cholecalciferol made from the skin will be changed in the liver into 25- hydroxyvitamin D3 and then sent to the kidney to be changed into 1,25- dihydroxyvitamin D3. The last change in the kidney will active the vitamin D. Vitamin D has a role in the calcium absorption which was will strengthen the bone tissue.
Answer: If you were solving for carrying capacity then the answer is 6.
Explanation: 450 divided by 7= 6.
<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.