What is Osmosis.. Please define it and give some examples.

Biology

1 answer:

Triss [41]2 years ago

3 0

Answer:

Explanation:

osmosis is the movement of water molecules from the region of higher concentration to the region of lower concentration down the concentration gradient.

some of the examples are root hair cells as they absorb water molecules from the soil and are low in concentration compare to the soil. so osmosis takes place

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Which of the following protist groups correctly completes the sentence below?

Schach [20]

Amoeba are the consumers that surround, engulf, and ingest their food.

<h3><u>Explanation</u>:</h3>

Amoeba is a unicellular organism that belongs to the kingdom Protista. This organism are having eukaryotic cells without any cell walls. These organisms have each and every cellular organelle that are needed to perform metabolism.

Amoeba are consumer in mode of nutrition. Whenever they senses some food, they push a part of their cytoplasm packed in cell membrane towards the food to cover it. This process is called pseupodia.

This pseupodia engulfs the food and performs phagocytosis or pinocytosis. This food is covered in a cell membrane inside the cytoplasm which is called the food vacoule or endosome. This then fuses with a lysosome to digest and then the excretory product is let off by the secondary vacoule.