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

Euglena relocate by aflagellum (plural ‚ flagella), which is a long whip-like framework thatacts like a small motor. The flagellum is situated on the anterior(front) end, and twirls in together a means as to traction the cell with thewater. The is attached in ~ 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 also can be watched asseveral rod prefer structures throughout the cell. Color thechloroplasts green. Euglena additionally have an eyespot at the anteriorend that detects light, it can be seen close to the reservoir. This helpsthe euglena discover bright areas to gather sunlight to do their food. Colorthe eyespot red. Euglena can additionally gain nutrients by soaking up themacross their cell membrane, hence they come to be heterotrophic as soon as lightis no available, and also they can not photosynthesize.

The euglena has astiff pellicle exterior the cabinet membrane that helps it store its shape,though the pellicle is rather flexible and some euglena have the right to beobserved scrunching up and moving in one inchworm type fashion. Colorthe pellicle blue.

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

The inner of thecell includes a jelly-like fluid substance referred to as cytoplasm. Colorthe cytoplasm light yellow. Towards the posterior that the cell is astar-like structure: the contractile vacuole. This organelle help thecell eliminate excess water, and without the the euglena could take in somemuch water because of osmosis the the cell would certainly explode. Color thecontractile vacuole orange.

Color the Euglenaaccording come the directions. Organelles have the right to be established based ontheir descriptions and locations answer the complying with questions

1. Space euglena imreparable cells or multicellular?

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

3. What organelle carries out photosynthesis?




You are watching: What is the function of the eyespot in the euglena?

4. Top top which end is the flagellum located?

5. Define autotrophic.

6. Specify heterotrophic.

7. Define the two means in which the euglena get their nutrients.

8. What is the eyespot provided for?

9. What is the role of the nucleus?

10.

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What is the function of the contractile vacuole?

What would take place if the cabinet did not have this organelle?


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