Answer:A.Human geographer.
Explanation:
Pass on through generations
Cells with large numbers of mitochondria have a high energy demand
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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