ocean food chain:PhytoplanktonÂ
ocean food chain. Phytoplankton are tiny plants that float in the ocean. Besides using sunlight to make their food. So, they become the first source of food for small fish and shrimp. As a result, bigger sea animals like whales and tuna can survive by eating those small fish.
Jellyfish play an important role
Jellyfish eat small sea animals like plankton. Because of this, it fact helps control the plankton population. Also, jellyfish are eaten by sea turtles and seabirds. So, they are an important part of the ocean food system.
Dead plants and animals turn into detritus
When sea plants or animals die, their bodies break down into tiny bits called detritus. For example, crabs, worms, and bottom fish eat this detritus. So, nothing is wasted in the ocean. As a result, it keeps the seafloor full of nutrients.
Some sea creatures glow to catch food
Some deep-sea animals can make light with their bodies. They use this glowing light to attract prey in the dark ocean. As a result, they can catch food more easily. Because of this, they survive in deep, cold, and dark waters.
Deep-sea animals eat very slowly in the ocean food chain
Food is hard to find in deep oceans. So, animals like deep-sea fish and crabs move slowly and eat little. They save energy by not moving much. Because of this, they can live a long time even without eating daily.
 A dead whale becomes food for many
When a whale dies, it sinks to the bottom of the ocean. There, it becomes food for over 100 kinds of animals. For example, small fish, worms, and even tiny bacteria eat parts of the whale. So, a dead whale becomes a new home and food source for many.
 Dolphins use sound to find foodÂ
Dolphins cannot see well in deep water, so they use sound waves to find their food. This method is called echolocation. Because of this skill, dolphins can hunt even in dark or cloudy water. Also, they use sounds to talk to each other.
Some whales filter food from the ocean food chain
Baleen whales eat in a very smart way. On the other hand, take a big mouthful of water and push it out through their baleen plates. As a result, small fish and plankton get trapped inside. So, they eat thousands of tiny animals in just one gulp.
Ocean food chains are really food webs
In the sea, animals eat more than one kind of food. For example, a tuna may eat fish, squid, and shrimp. So, the links between animals form a big food web, not just a single chain. This keeps the balance in ocean life.
Are you interested in the lovely story of the tiger’s lifestyle?
Humans are part of the ocean food chain
People catch fish and eat seafood every day. But when we take too many fish, we disturb the natural balance. As a result, other sea animals may lose their food. So, we must fish responsibly to protect ocean life.
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