The two ways the endocrine system and the nervous system are different in communication, is that the nervous system responds rapidly to short-term changes in the body by sending electrical impulses. And with the endocrine system, it takes longer, so it's a long-term effect until it notices any changes and when it does, it sends chemical messengers known as hormones into the body.
Now, how they are similar, is because both the nervous and endocrine systems work together to maintain homeostasis.
All the important functions of our body would simply be too slow for us to survive such as digestion. if we didn't digest quick enough our stomachs would be bloated all the time
That would be C.
Invasive species are brought to a new area by human activities.
Be more specific please on this question
