Symbiotic symbiosis refers to the ecological relationship between two species in the biological world. One organism will benefit from survival because of this relationship. However, the other organism does not receive any benefits in this relationship, but it also does not have Getting harm is just driving the other party to gain benefits. According to the above definition, Which of the following phenomena belong to the symbiotic symbiosis:. ['Microorganisms are parasitic in the stomach of ruminants and can also help ruminants digest food.', 'The catfish has a poor swimming ability, and its back evolves into a suction cup to be absorbed on the shark. As the shark travels around the world, when the shark captures its prey, the catfish steals the remaining food.', 'Algae plants grow in the thick hair of the sloth. During the rainy season, the algae flourish and form a green camouflage, making it easier for the sloth to survive in the bushes.', "Jellyfish prey on conch larvae. After entering the jellyfish's body cavity, the larvae will not be digested, but will gain food and protection. When the larva grows out of the jellyfish body cavity, it will take away a jellyfish breeding body."]