Answer:
option A is correct i hope you like it
The buffalo population in the Serengeti was regulated by adult mortality which was caused by undernutrition as a result of food shortage. ... The effect of interspecific competition could result in a complex regulation of populations through their food supply.
An elephant's trunk evolved in order to be able to stuff in and eat as much food as it can to become the big animal it is today.
The elephant's ancestors were small and had a short nose. As it turns out, the larger body size the elephant has, the more chance it gets to survive and pass on its genes to the next generation. In order to gain a larger size, it needed to eat more and be able to reach more food. Of course, its small nose wasn't capable of doing that at the time. So, through natural selection, eventually the elephants that were bigger, had longer trunks, and therefore ate more, were more likely to pass on their genes to the next generation than their smaller counterparts, and therefore with each generation elephants got longer trunks.
The answer is Object 3.
Atoms in a solid are locked and can only vibrate in one place. So, it can’t slide past each other or spread out to fill the containers (objects 1 & 4 are out). Viscous means having a thick and sticky consistency between solid and liquid, so I’m guessing it’s something like glue or syrup, which is not a solid. That leaves Object 3 left.