Humans get there energy primarily from glucose I believe. We break down glucose to get ATP (Adenosine Triphosphate) which is then used to supply energy to our cells in order to function.
Answer:
Echinoderms play numerous ecological roles. Sand dollars and sea cucumbers burrow into the sand, providing more oxygen at greater depths of the sea floor. This allows more organisms to live there.
Explanation:
They are also economically important to humans due to their use in scientific research and education and also for food.
<span>Interactions between organisms and the number of species in an ecosystem add to the resiliency of an ecosystem. :)</span>
Well if you look at what the answers or choices say it will tell you in it
Okay well the signal or the movement coming through the neuron(and its axon) is about the ions. The ion is a charged like particle, such as Na+ (If you remember that). Na+ is a sodium ion. So most of those ions I was talking about before just simply flow in or out of the cell. I hope this helps! <3