Question

What is algae?

Answer 1

Algae:

1. Algae is a group of diverse photosynthetic eukaryotes under the kingdom Protista.
2. They exist in filamentous, unicellular, and colonial forms.
3. They contain pigments such as chlorophyll, carotenoids, xanthophyll, etc.
4. They lack true roots, stems, or leaves.
5. They have thin and rigid cell walls made up of cellulose.
6. Some of them even contain special nitrogen-fixing chambers known as heterocysts.
7. They are primitive organisms that have existed from the times of oxygen-deficient reducing environments.
8. Many algal cells have a gelatinous outer covering.
9. Inclusion bodies like starch granules, oil droplets, and vacuoles are present.
10. Examples: Diatoms, Dinoflagellates, Euglenophyta, etc.