The primary function of a neuron is to receive messages from the senses and then respond with motor activity such as a finger being burnt and thpe arm muscle pulling the finger out of harms's way. So safety is part of it. Another function is to use sensory neurons to evaluate a scientific understanding of the world, such as determining which mineral is being looked at ie by its' colour, hardness, crystal system etc.
1. A signal is translated to cause muscle contraction
Answer:
d
Explanation:
endocrine system controls all biological processes
Answer:
B
Explanation:
Mass is constant. Weight varies due to gravity.
For example, On earth you weigh 75kg but on Jupiter you weigh 275kg (not accurate). Your weight has varied. However your mass is the same on both planets.
Answer:
I think the answer would be lichens, because lichens are formed during primary succession as a pioneer species. During secondary succession, grasses are usually the pioneer species.