Ecosystem

Coral Reefs

The water in the ocean is salt water not fresh water. Almost 75% of Earth is covered by ocean. Ocean ecosystem are very important because ocean plants make about 50% of the world's oxygen!

Introduction

Ecosystem~Ocean~

Most coral reefs grow near coasts in tropical places where the ocean is always warm. Many coloful animals, like clownfish and anemones, live together on a coral reef.

The biggest animals in the ocean live in water that's very , very deep.The blue whales that swim in deep oceans are the largest animal that have ever lived.

In Deep Water

In Deep Water (2)

Tiny plants called plankton start most food chains in ocean ecosystems.Plant plankton are eaten by tiny ocean animals like shrimps,and the shrimps are eaten by small fish.Small fish are eaten by larger fish,like mackeral,and the larger fish are eaten by even larger fish like tuna,or by dolphins.Tuna and dolphins are eaten by great white sharks,the largest fish predators in the ocean!