2. There are plants in the sea, such as cyanobacteria, red algae, brown algae, green algae, corals, kelp, sponges, spirulina, charophytes and so on.
Animals and plants in the ocean are also interdependent.
4. After animals die, the corpses rot and become the nutrition of plants, and many plants are the food of animals.
Animals and plants in the ocean coexist harmoniously, forming a perfect ocean.
6. Marine life: Marine life refers to marine biological species, including marine animals, marine plants, microorganisms and viruses.
7. According to the distribution, marine life in China can be roughly divided into two categories: marine life in waters and marine life in beaches.
8. Among the marine life in waters, fish, cephalopods (such as squid, also called cuttlefish), shrimps and crabs are the most important marine life.
9. Among them, the species and quantity of fish are the most, which constitute the main body of marine life in waters.