The correct answer is A) and B). Hope this helps.
Sunflowers due to the fact that the top of it is entirely of nectar
The Conclusion y what did you learn or what you understand
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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: the diversification of a group of organisms into forms filling different ecological niches
Explanation:
