In an ecosystem, there are many factors that affect how many organisms can survive there. which of the following is one of those factors? a. number of humans in the area b. age of the mammal species c. color of flowering plants d. availability of water

The availability of water can affect whether or not natural organism can survive in a area. This is because they need water to survive and so without water in the area around them, they would die.

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.

C) they are specialized meaning they are designed to do different things