Which of the following have species that can establish symbiotic relationship with other organisms? 1.…
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 code given below.
1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
Solution
All three groups have species that form symbiotic relationships: Cnidarians (e.g., corals with zooxanthellae), Fungi (e.g., lichens and mycorrhizae) and Protozoa (e.g., termite gut protozoa).