Euglena room unicellular organisms classified right into the Kingdom Protista, and thePhylum Euglenophyta. All euglena have chloroplasts and also can do theirown food by photosynthesis. They space not fully autotrophic though,euglena can also absorb food from your environment; euglena usuallylive in quiet ponds or puddles.

Euglena move by aflagellum (plural ‚ flagella), i beg your pardon is a lengthy whip-like structure thatacts favor a little motor. The flagellum is situated on the anterior(front) end, and twirls in such a means as to pull the cell through thewater. That is attached at an inward pocket referred to as the reservoir. Colorthe reservoir grey and also the flagellum black.

The Euglena isunique in the it is both heterotrophic (must consume food) andautotrophic (can make its very own food). Chloroplasts in ~ the euglenatrap sunlight that is used for photosynthesis, and can be watched asseveral rod like structures transparent the cell. Color thechloroplasts green. Euglena likewise have one eyespot at the anteriorend the detects light, it have the right to be seen near the reservoir. This helpsthe euglena discover bright areas to gather sunshine to do their food. Colorthe eyespot red. Euglena can also gain nutrient by absorbing themacross your cell membrane, hence they end up being heterotrophic as soon as lightis not available, and they cannot photosynthesize.

The euglena has actually astiff pellicle external the cell membrane that helps it store its shape,though the pellicle is somewhat flexible and also some euglena have the right to beobserved scrunching up and moving in one inchworm form fashion. Colorthe pellicle blue.

In the center of thecell is the nucleus, which consists of the cell"s DNA and also controls thecell"s activities. The nucleolus deserve to be seen within the nucleus. Colorthe cell nucleus purple, and the nuclear source pink.

The interior of thecell consists of a jelly-like liquid substance dubbed cytoplasm. Colorthe cytoplasm light yellow. Towards the posterior that the cabinet is astar-like structure: the contractile vacuole. This organelle help thecell eliminate excess water, and also without that the euglena might take in somemuch water as result of osmosis that the cell would certainly explode. Color thecontractile vacuole orange.

Color the Euglenaaccording come the directions. Organelles can be identified based ontheir descriptions and locations answer the following questions

1. Room euglena imreparable cells or multicellular?

2. What Kingdom execute euglena belonging to? What Phylum?

3. What organelle carries the end photosynthesis?

You are watching: On which end is the flagellum located

4. ~ above which end is the flagellum located?

5. Define autotrophic.

6. Define heterotrophic.

7. Describe the two methods in i beg your pardon the euglena get their nutrients.

8. What is the eyespot used for?

9. What is the duty of the nucleus?


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What is the function of the contractile vacuole?

What would happen if the cell did not have this organelle?


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