Question

What are the characteristics features of Euglenoids?​

Answer 1

Answer:

Some characteristic features of Euglenoids are as follows.

• Euglenoids (such as Euglena) are unicellular protists commonly found in fresh water.

• Instead of the cell wall, a protein-rich cell membrane known as pellicle is present.

• They bear two flagella on the anterior end of the body.

• A small light sensitive eye spot is present.

• They contain photosynthetic pigments such as chlorophyll and can thus prepare their own food. However, in the absence of light, they behave similarly to heterotrophs by capturing other small aquatic organisms.

• They have both plant and animal-like features, which makes them difficult to classify and hence they are called as connecting link between plants and animals.

Explanation:

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Answer 2

$\sf\red{ Characteristic }$ $\sf\blue{ features }$ $\sf\pink{ of }$ $\sf\green{ Euglenoids }$ :-

1. Euglenoids belong to kingdom Protista.

2. They are a group of unicellular flagellate eukaryotes.

3. They are seen in fresh stagnant water.

4. Their body is covered by a protein called pellicle.

5. They have two flagellae, one is short and other is long.

6. The anterior part of their body consists of cytostome, cytopharynx and reservoir.

7. One eye spot is present on the membrane of the reservoir.

8. Reproduction in euglenoids is by longitudinal binary fission.

9. They are autotropic, but in the absence of sunlight they exhibit.

10. Ex :- Euglena.