It is important because each species has a role in the environment, and they all need to do their part.
Answer:
codominance
Explanation: a person must have a mutation in both copies of the CFTR gene to have CF, so I WOULD SAY codominance but double check
The usual mode of stimulus transfer in neuron- to -neuron interactions is CHEMICAL SIGNALLING. One cell interacts or communicates with another cell through cell signally where signal molecules such as hormones carry the information. Neurotransmitters are the chemicals that transfer the signals from one neurons to another.
Macromolecules provide structural support, a source of stored fuel, the ability to store and retrieve genetic information, and the ability to speed biochemical reactions , hope this helps :)