Answer: Economic Incentive
Explanation:
Natural selection or survival of the fittest can cause a major evolution as the species at risk need to stay alive and therefore need to become more adapted to the situation at hand. The species can evolve through generations to become more crafted to the predatorial habits of their predators. If the females are less at risk than the males then the males might evolve to become more protected or if some of the species live in a different situation maybe not even that far away, that can have a big impact on the evolutionary habits of the species at hand.
I hope I'm right
I don't know if they're supposed to be a list, but the interaction would be parasitic because the parasite feeds off the host and the host suffers.
The function of spinal cord is to transport information between different parts of the nervous system.
Nervous system has two parts:
Central nervous system
Peripheral nervous system.
Central nervous system includes brain. Peripheral nervous system includes spinal cord.
Spinal cord receives nerve impulses from body and transport it to the brain.
It also receives orders in form of nerve impulses which are transported to receptors for response.