Question 28
Ecological AssociationsWhich of the following organisms has a symbiotic relationship with green algae?
- A.Amoeba
- B.Paramecium
- C.Hydra
- D.Euglena
- E.Chlamydomonas
Show the answer and explanation
Answer: C (Hydra)
Explanation
Green Hydra has algae (Chlorella) living in its cells; the algae get shelter and Hydra gets food and oxygen.