Answer:
Twins, says Dr. Judith G. ... Fraternal twins are known to arise when two eggs are released from the ovaries, get fertilized and implant together in the womb. In contrast, identical twins start out as a single embryo, split, and then develop as separate individuals in the womb.
I would select A because cells have to divide into smaller cells depending on where they are.
Due to huge effect use of Drought the population of animal get extinct.
Explanation:
Droughts can have a severe impact on the extinction of animal populations, specifically in Arid and Semi environments. Different type of climate changes can accelerate the dying of particular species or animal population.
For extinction of population and also species Droughts play vital role. Droughts are one of such severe climatic change that leads to the extinction of species. Some life traits of specific Species make it vulnerable to drought.
Agriscience is the right answer :)