BIOLOGY HIGH SCHOOL

Sponges have flagellated cells called _____ that line their internal chambers and create water flow to capture food

Answers

Answer 1
Answer:

choanocytes - spelling might be off on that... it means collared cells from Latin roots.
Answer 2
Answer:

Answer:

Choanocytes

Explanation:

Choanocytes are membranous flagellate cells lining the spongiocelium (central body cavity of Porifera kingdom animals) and other internal vibrating chambers of sponges.

The movement of its flagellacreates the water stream that brings nutrients and gases. The nutrients are filtered by the choanocyte, which is not a solid structure, but rather a set of small erect rods separated by spaces.

Any organic particle or plant microorganism trapped in the choanocyte is routed down toward the cell body and endocyted, with intracellular digestion occurring in digestive vacuoles.

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Answers

It is due to changes of genes in an egg cell

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Answers

This Link Should Help 
https://quizlet.com/20568601/blood-types-flash-cards/

The cells that are on each side of a stomata and open and close it like a mouth are called _____. guard cells meristem cells parenchyma cells collenchyma cells

Answers

The cells that are on each side of the stomatal pore and open and closeit like a mouth is called guard cells. Guard cells are found almost allover the body part of the plant. The opening and closing of the stomata acts asa mediator by changes in turgor pressure of the guard cells. Turgor pressurepushes and sometimes out of the cell wall of the plant to allow ions ofsolution to come in and out. The stomatal pore of the guard cell becomes largewhen water is present around it and it is small when water is not present. 

Answer:

The cells that are on each side of a stomata and open and close it like a mouth are called guard cells.

During which stage of a cell's cycle do the replicated chromosomes thicken and become visible?

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 the cell cycle moves on the chromosomes  thicken as the size of the cell grow and since became vissible!

The endosymbiotic theory suggests that a prokaryotic cell ate another prokaryote, giving rise to eukaryotes.

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Mitochrondria of the eukaryotic cells.
As many researchers hypothesize that the old single-celled organism or the origin of the complex-celled organisms came from the endosymbiosis of the mitochrondrion organism and the prokaryotic cell. It has been said that mitochondria was an independent organism which then to have been evovled itself after planting itself inside a prokaryotic cell which aided cellular respiration and production of ATP (Adenosine Triphosphate). This then aided the prokaryotic cell to be more sophisticated and caused another change from having without a true nucleus to a eukaryotic cell with a nucleus and embedded DNA.  

Human activity contributes to wetland destruction.Which human activity does not contribute to wetland destruction?
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b. runoff
c. draining water
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Answers

The correct answer is (a.) hunting. Hunting is a human activity in which it does not contribute to any wetland destruction. However, runoffs, draining water, and building landfills and roads are the ones who uses water and wetlands.
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