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Question

which one of the following organism has changing shapes?


A

Amoeba

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B

Euglena

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C

Paramecium

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D

Acetabularia

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Solution

The correct option is A

Amoeba


Option a is correct

  1. Amoeba alters its shape and develops pseudopodia (false feet) in order to walk in any direction and consume the food.
  2. When pseudopodia come into contact with water, it aids in floating. As a result, they alter their shape to swallow the meal and move around.

Explanation for incorrect options

Option b

Euglena is a single-celled flagellate eukaryote genus. It is the most well-known and studied member of the Euglenoidea class. Euglena species can be found in both fresh and salt water.
Option c

Paramecium is a genus of eukaryotic, unicellular ciliates that is frequently studied as a ciliate representative. Paramecia can be found in a variety of freshwater, brackish, and marine settings, and they can be found in large numbers in stagnant basins and ponds.
Option d

Acetabularia is a green algae genus belonging to the Polyphysaceae family. Acetabularia is a single-celled organism that is typically found in subtropical waters. It is enormous in size and structure, making it a great model organism for studying cell biology.


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