Given what we know, we can confirm that Ostia are important to sponges because they pull water into the sponge through the beating of their flagella.
<h3>What are Sponges?</h3>
- A sponge is an aquatic multicellular organism.
- Morphologically, they are very simple organisms, lacking complex structures.
- One structure that they do possess is the Ostia.
- The Ostia are a series of pores located throughout the body of the sponge.
- They serve to draw in water through the beating of multiple flagella.
Therefore, we can confirm that since the Ostia of the sponge are used to pull water into the sponge through the beating of their flagella, the correct answer would be option D.
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In this case the answer is a rock nesting on the ground
Answer:
Parasitism
Explanation:
The kind of relationship in which one organism benefits to the detriment of the other is called parasitism. The parasites feeds on the other organism and it derives nourishment and nutrient from it. The host or the other organism suffers and does not benefit from the relationship. This relationship can lead to the eventual death of the host organism. Example is tapeworm and man.
Answer:
7/13
Explanation:
when you multiply 13 by 7/13 the 13s cancel out and leave with 7
Answer: Option A.
Transverse tubules rapidly move the action potential to the interior of the muscle potential.
Explanation:
Transverse tubules are cylindrical pockets found in the plasma membrane of muscle cells. They are formed from phospholipid bilayer or sarcolemma of skeletal or cardiac muscle cells. They have membrane that have large concentration of ion channels,transporters and pump. They permit action potention into the cell and also to a particular structure sarcuplasmic reticulum. They play a role in regulating cellular calcium concentration.
