B. Clade 1 is ancestral to all the other clades
Answer:
The answer is D.
Explanation:
This picture above shows the image of a <em>barred spiral galaxy</em>.
It is from Google.
No muscle contraction will be observed.
<h3>What is the effect of calcium concentration on muscle contraction?</h3>
The concentration of calcium ions in the muscle cells help in contraction and relaxation of muscles fibers.
Release of calcium ions initiate muscle contraction.
Therefore, there will be no contraction of muscle if calcium ions are not transported out from the sarcoplasm.
Learn more about muscle contraction and calcium ions at: brainly.com/question/14760686
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Answer:
I think the answer is coal
