The nodules that serve as an important habitat for marine life are what?

As explained below.

Explanation:

Marine habitat is divided into coastal and open ocean habitat, the open habitats are found in the deep waters beyond the continental shelves. While the coastal area found in the tidal waters.

Some things that make a good habitat for the marine life are:

1. Temperature

2. Sunlight  

3. Salinity  

4. Nutrients  

5. Turbulence  

Coastal habitat consists of tidal, intertidal, sandy shores, rocky shores, mudflats, mangroves ad salt marshes, estuaries and kelp forests including coral reefs. And the open include surface water and deep seafloor.

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.