Answer:
Your answer is: B) Primary Succession
Explanation:
Hope this helped : )
<span>Cross bridges are created when myosin heads bind to ATP. This phenomenon is basically muscle contraction at work. In order for myosin heads to be bound with ATP at the actin active site, it must be excited with Calcium.
Once myosin heads bind with ATP, it begins to slide and perform muscle contractions in the body, allowing a person to move.</span>
........... the membrane potential will become more POSITIVE.
A membrane become depolarize when sodium enters the neuron via chemically gated sodium channels, this means that, the membrane become more positive when sodium ions diffuse into the cells.<span />
<span>Your answer would be inadequate sunlight.</span>
