Answer:
Explanation:
The nitrogen cycle is an important cycle to the atmosphere. Nitrogen is an essential part of biological molecules such as proteins and nucleic acid, which makes nitrogen essential for all living organisms. Nitrogen makes up 78 percent of the atmosphere.
Electrical
Neurons typically communicate using ___________ signals to communicate within a neuron.
<span>the main difference between the two is ivertebrates doesnt have no backbone or spinal cord... vertebrates do have a back bone like humans</span>
The nucleus controls the activities within a eukaryotic cell
