The mix of life in a place - lots of kinds of living things, plus their different shapes, colours, and ways of living - all connected like a team

Why it matters: The more variety, the healthier the ocean is. Every critter, big or small, has a job.

Fun fact: Coral reefs are full of life: people call them “the rainforests of the sea.”

Say it like this: bye-oh-di-VER-si-tee

Your turn: Imagine if ALL fish looked the same. How boring would the sea be? Write or say one funny thing that would happen.

Do you want to know more? Read Sophia's article about marine species.