<u>changes </u><u>in </u><u>abiotic </u><u>factors</u> is the most appropriate answer for this question.
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(by Benjemin)
Answer:
Small and tube shaped, water enters the sponge through dermal pores and flows into the atrium. Choanocyte flagella create the current to expel it through a single osculum. Note that water enters the sponge through a modified cell known as a porocyte.
Explanation:
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Answer:
<u><em>Hey There the correct answer would be is D. Individual organisms</em></u>
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<span>The cell uses oxygen to break down glucose which releases energy. This energy is stored in the form of ATP.</span>
