<span>The body proportions of neanderthals may have arisen as adaptations to a HARSH AND CONTINUOUSLY CHANGING environment. Neanderthals that have evolved through millions of years have developed skills and techniques in order for them to eat, live in good conditions, and protect themselves from dangers of the environment. As such, their physical bodies have also evolved through the activities that they do on a regular basis.</span>
Answer;
- 100
Researchers have identified about 100 substances that are made in our body and brain that act as neurotransmitters.
Explanation;
-Neurotransmitters are the chemicals which allow the transmission of signals from one neuron to the next across synapses. They are also found at the axon endings of motor neurons, where they stimulate the muscle fibers.
-Neurotransmitters enable neurotransmission, which is the process by which signaling molecules (neurotransmitters) are released by the axon terminal of a neuron (the presynaptic neuron), and bind to and activate the receptors on the dendrites of another neuron.
The answer is metacommunication. Utilizes cues that are interpreted by the individuals of a population into useful information. Kinesics, referring to body motion communication, is also a part of metacommunication. It also applied to humans where posture, gesture, stance, and movement are also interpreted as cues in communication.
Autotroph's are living organism which produce complex compounds
