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Euglena have a primitive organelle called the eyespot which detects light.

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15y ago

Euglena have an eyespot that acts as a shield for a light sensitive receptor.

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Q: Why is a sensory structure so important to the euglena?
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What function might the stigma of the Euglena serve?

The students are planning to write labels for their diagram, explaining how each part contributes to the function of the euglena. Which label would be most appropriate for the chloroplast? Responses "This structure helps the euglena obtain minerals from its environment so that it can perform life functions." "This structure helps the euglena obtain minerals from its environment so that it can perform life functions." "This structure helps the euglena remove food wastes from the cell after their nutrition has been used for life processes." "This structure helps the euglena remove food wastes from the cell after their nutrition has been used for life processes." "This structure helps the euglena use up energy it has stored in the process of building new cell parts and growing." "This structure helps the euglena use up energy it has stored in the process of building new cell parts and growing." "This structure helps the euglena obtain energy from its environment so that it can perform life functions."


What is unique about the way a euglena obtains food?

A euglena can be both a producer and a consumer. Its red eye helps it detect light for photosynthesis. If no light, then it captures food. Hope i helped::)


How big is a euglena?

Euglena is a genus of microscopic, one-celled organisms in the Protista kingdom. There are about 150 species of euglenas. They live in fresh water, and are especially common in warm seasons when they may form a green scum on the surfaces of small ponds or drainage ditches. Euglenas have spindle-shaped bodies, and range in size from 1/1000 to 1/100 of an inch (0.025 to 0.254 millimeter) long.


What is the advantage of having a head with a concentration of sensory organ?

The sensory organs developed around the mouth in an attempt to help the creature eat - that being the primary reason for senses. Because all the sensory organs were concentrated around the mouth that was the beginnings of the head. So you see - the concentration of sensory organs was the reason for the head. There was no head to begin with. The head (and brain) developed because that was where all the sensory organs (and mouth) were. As for an advantage. It might be advantageous to have your sensory organs as high as possible. The reason for this is obvious for sight and sound. Smelling however would benefit more if it were located in the feet. Consider dogs and pigs. As soon as they start smelling they put their nose (and the rest of the head as well) to the ground. Feeling is not found concentrated in the head but is omni-localized.


Can endoskeleton be shed?

No, the endoskeleton is an internal structure, so it cannot be shed. The exoskeleton is an outer structure, but that also cannot be shed.

Related questions

Why is the eyespot an important structure in the euglena?

The eye spot is so important because it is the only way the eugleniod (euglena) can "see" because it senses light.


What function might the stigma of the Euglena serve?

The students are planning to write labels for their diagram, explaining how each part contributes to the function of the euglena. Which label would be most appropriate for the chloroplast? Responses "This structure helps the euglena obtain minerals from its environment so that it can perform life functions." "This structure helps the euglena obtain minerals from its environment so that it can perform life functions." "This structure helps the euglena remove food wastes from the cell after their nutrition has been used for life processes." "This structure helps the euglena remove food wastes from the cell after their nutrition has been used for life processes." "This structure helps the euglena use up energy it has stored in the process of building new cell parts and growing." "This structure helps the euglena use up energy it has stored in the process of building new cell parts and growing." "This structure helps the euglena obtain energy from its environment so that it can perform life functions."


How does euglena get around?

Euglena gets around with a small whip-like structure called a flagellum


What structure do euglena have that is sensetive to light?

Euglena use an eyespot to detect light. An eyespot is a dark spot on their body. They cannot see the world around them but they can see light. The eyespot is located anywhere on their body but usually near their flagella. A flagella is a whip-like strand that euglena and other organisms use to move through the water. Euglena are producers and they make food through photosynthesis so they need the light.


What species is euglena?

Euglena is a genus. So Euglena has (or includes) species. Remember the order? Domain, Kingdom, ...... genus, species.


What does Chloroplast do in a Euglena?

The chloroplast makes food for the Euglena so it can eat. The Euglena doesn't really need it though, because it can hunt for it's own food.


How fast are euglena?

Euglena move fast and amoeba move slower than Euglena


What is the economic importance of euglena?

Euglena is a micro organism, so it economic importance is contradicting because it is sometimes heterotrophy (like animals) and autrotrophy (like plant). It contain chlorophyll for food production to plants in water and it has some carotenoid pigments thats produces sugers by photosynthesis and in turn produces oxygen


Why is the structure of a phospholipid so important to the cell?

They are selectively permeable, provides structure to cells.


Are euglena and paramecium related and if so how?

They are both single celled protists, but Euglena is of Euglenozoa phylum, which has flagella, and Paramecium are cillates with cilia for motility.


How does a euglena use to move?

Euglena are flagellated unicellular organisms, so they move by beating their flagella.... somewhat like a tadpole.


What food do euglena and volvox make?

A volvox makes there own food, so they eat there food that they make. I don't know what a euglena makes, sorry.