Which of the following have species that can establish symbiotic relationship with other organisms? 1. Cnidarians 2. Fungi 3. Protozoa Select the correct answer using the codes given below.

Question

GSHardPrelims 2021Environment & Ecology

Which of the following have species that can establish symbiotic relationship with other organisms?

Select the correct answer using the codes given below.

Explanation

Cnidarians: Many cnidarian species, such as corals, develop symbiotic relationships with single-celled algae called zooxanthellae. This symbiosis is crucial for the survival and growth of coral reefs.
Fungi: Fungi are known to form various symbiotic relationships with other organisms, including
- Mycorrhizal associations with plant roots, where the fungus helps the plant absorb nutrients in exchange for carbohydrates.
- Lichens are a symbiotic relationship between a fungus and an algae or cyanobacteria.
Protozoa: Some protozoa living in the digestive tracts of termites and ruminant animals, helping them break down cellulose.

Therefore, all three groups - cnidarians, fungi, and protozoa - have species that can form symbiotic relationships with other organisms.

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