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GalinKa [24]
2 years ago
7

Substances that can rust or

Biology
1 answer:
shusha [124]2 years ago
3 0

Answer:

B. corrosive

Hope this helps!

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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
PolarNik [594]

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>.

These animals depend on water to get oxygen and food to the inside of the sac and take excrements and reproductive cells to the outside. Sponges <em>feed on small detritus particles and suspending organisms</em> that get near the animal by water streams produced by choanocytes.

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.  

 

5 0
3 years ago
explain what DNA is and how the model of DNA developed .You should include information on how genetic information is carried ,as
jolli1 [7]

Answer:

DNA is a Deoxyribose nucleic acid and our Dna strand is double helix

Explanation:

I kow this because if you close you see two strands

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3 years ago
Which topic do biologists ask questions about and study using scientific process
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<span>b.) organism and health</span>
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Your answer would be B. Hope this helped :)<span />
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Factors<br> Increase or Decrease<br> in Carrying Capacity?
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Carrying capacity, or the greatest number of people that an environment can support over time without harming or degrading it, is controlled by a few basic factors: food supply, water availability, and space. Carrying capacity, or the greatest number of people that an environment can support over time without harming or degrading it, is controlled by a few basic factors: food supply, water availability, and space.

Explanation:

5 0
2 years ago
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