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KengaRu [80]
3 years ago
13

What is the atomic number of an oxygen atom that has 8 protons in its nucleus?

Biology
2 answers:
Svetllana [295]3 years ago
5 0

Answer:

C

Explanation:

aleksandrvk [35]3 years ago
3 0
The most likely answer here is C
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The missing step is oxygen is removed from the water after step 3.

Explanation:

The steps listed by Xavier are:

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  3. <em>Water leaves trough an opening at the top of the body.</em>

Porifera or sponges are aquatic, immobile invertebrates whose structure is saccular with an upper opening, the osculus.

Sponges absorb water through their pores, where the porocytes are found, and through flagellated cells -the coanocytes- the movement that allows the entrance of water to the spongocele or atrium is produced, in addition to the phagocytosis of organic elements.

Once the water is in the interior chamber of the sponges, the organic particles are phagocyted to be digested, and the oxygen is removed from the water, and passes through diffusion into the cell.  The waste products, as well as carbon dioxide, are released into the water that will be expelled through the osculus.

<u><em>In Xavier's list, the missing step is the removal of oxygen from the water, before it is expelled from the body of the sponge</em></u><em>.</em>

<em />

Learn more:

Sponge structure brainly.com/question/11256747

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Explain three ways that anthropogenic changes threaten biodiversity.
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It destroys endangered animal habitats

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