Gene..
hope this helps. :)
Answer:
d. all of these
Explanation:
Over the past century, many researchers have questioned whether nonhuman primates could communicate with each other and whether they could communicate with each other. After much research and testing with different nonhuman primates, it was concluded that primates not only communicate, but this communication is done through various processes and has a similar pace to the rate of communication between humans, after all, if genetic differences between humans and chimpanzees are very small.
Among the processes of communication between non-human primates we can mention: vocalization, facial expressions and displays, which ensure that these animals talk to each other.
Organisms that obtain energy rich organic molecules in a pre-made form (eg. food) by eating other organisms
Answer: old age, they need food, more land then you can give them, a bigger herd, and stupid people not knowing how to take care of them.
Explanation:
