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qwelly [4]
3 years ago
14

A pronoun which points out a particular person, place, or thing is a:

Biology
1 answer:
Vlad1618 [11]3 years ago
6 0
Demonstrative pronoun is the answer.
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A spectacular marine animal has a network of glassy spicules that forms a sac-like structure. This animal does not have true tis
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Answer:

Sponges use <em><u>choanocytes</u></em> or <em><u>flagellated channels</u></em> to get nutrients from the feeding cells to other parts of their body.

Explanation:

Sponges are marine animals with a sac-shaped body. The epidermis is composed of polygonal flat cells called pinacocytes and pores protected by porocytes. Under the epidermis, there is a protein matrix called mesenchyme, which is composed of spicules and <em><u>amibocytes</u></em>. By the interior side of the sponge, there are the<em><u> choanocytes</u></em>. These are ovoid cells that can be shaping the spongocoele (internal cavity of the sponge), with an extreme attached to the mesenchyme and the other extreme projected to the spongocoele, or can be grouped in spaces called <em><u>flagellated channels</u></em>.

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Particle size is essential. Only the small ones can get through the flagellated channels, where they get stuck to the choanocytes and are encapsulated by the cells. If the choanocytes are too small, the particle is transferred to the amibocytes for digestion. These last ones also act as food storages. Excrement products are dragged by a water stream.  

 

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3 years ago
What is the hematocrit value for the healthy male living at sea level in boston?
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<span>What is the hematocrit value for the healthy male living at sea level in Boston? The Answer is </span>48 for males and 55 for a female.
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B.  0 N

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Lemme know if this is right main

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