Because they have chloroplasts, meaning they can use photosynthesis to turn light into energy. Like plants really. You can think of them as freely swimming plant cells!
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Euglenas are able to perform photosynthesis to produce their own food using sunlight. Moving toward sunlight allows them to maximize the amount of light available for photosynthesis, which is essential for their survival and growth.
The outer covering of euglenas is called a pellicle. It is a flexible layer made up of protein strips called pelliculin. The pellicle helps euglenas maintain their shape and structure while allowing them to move and change shape.
Vines in the rainforest have adaptations that allow them to climb and reach toward gaps in the canopy where sunlight penetrates. They use other plants or structures for support to grow upward and access sunlight for photosynthesis. Vines may also have large leaves that are efficient at capturing sunlight in low-light conditions.
You get more sunlight if you move closer to the equator. This is because the equator receives more direct sunlight throughout the year compared to areas farther away from the equator.
Euglenas are animal-like in their ability to move and hunt for food. They have a flexible, elongated body that allows them to swim and chase after prey. Additionally, they feed on organic matter like animals do, using a feeding structure called a proboscis to engulf their food.
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