How are gases exchanged in sponges
How are gases exchanged in sponges?
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The gas exchange in sponges takes place by diffusion from the exterior to cells which absorb molecular oxygen and release carbon-dioxide.
What is the portion of the female reproductive system where fecundation happens?
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Negative reaction to the gaining of power and influence by members of previously underrepresented groups, leading to fear, resentment, and reverse discrimination.
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