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harkovskaia [24]
2 years ago
13

chlorella and paramecium are both unicellular eukaryotic organisms living in freshwater. chlorella is photosynthetic and has a c

ell wall. which organelle will be found in chlorella but not the paramecium?
Biology
1 answer:
lidiya [134]2 years ago
6 0

Contractile vacuole is an organelle will be found in chlorella but not the paramecium.

The lowest metazoans, such as sponges and hydras, and freshwater protozoa have regulating organelles called contractile vacuoles that gather extra fluid from the protoplasm and occasionally release it into the surrounding media. Wastes containing nitrogen may also be excreted.

The contractile vacuole (CV) complex is an osmoregulatory organelle found in free-living amoebae and protozoa that regulates intracellular water balance by storing and excreting excess water, enabling cells to survive under hypotonic stress, like that found in pond water.

To know more about Contractile vacuole here

brainly.com/question/13948086

#SPJ4

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Why do adult urochordates (tunicates) lack notochords, even though larval urochordates have them? Larvae use notochords to _____
kirza4 [7]

Answer: Option A

Explanation:

A tunicate is marine invertebrate animal  which is a part of chordates. They have notochords and dorsal nerve chord. The subphylum of the organism is called as Urochordata.

The adult urochordates lack notochord but the larval stage of the urochordates have notochord. This is because it helps in swimming of the organism which is required only at the larval stage.

The adult stage of the tunicates is sessile and they do not swim so they do not require notochord.

8 0
3 years ago
In plant cells, what two factors are important in determining the direction of water across the membrane? Why?
Helga [31]

Answer: Generally, these factors are based on two things: hydrostatic pressure and osmotic pressure. Water will only flow across a membrane firstly if the membrane is permeable to water.

Explanation:

6 0
3 years ago
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What type of intercellular junction bands together adjacent cells, making the epidermis stronger?.
fenix001 [56]

Answer:

Tight or occluding junctions This type of junction is also called zonula occludens and is the most apical structure in the epithelial cell. Zonula occludens describes, that there is a formed band of tight junctions which encircles every cell.

Explanation:

8 0
2 years ago
Table Compare the mass of samples B, D, and E to see if temperature affects the rate of weathering. Was there a measureable diff
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A,B,A

Explanation:

Just took test,

Table

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Was there a measureable difference among the three treatments?

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✔ increase

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5 0
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What causes ocean surface currents? Question 1 options:
IRISSAK [1]
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