Grab the magical magnifying glass and take a close look at what’s living in the mangroves.

We often think of the oceans as one big bowl of salt water. But the fact is there are lots of different environments in the oceans — more than on land.

Coral reefs, estuaries, continental shelves, the deep sea — these are some of the ecosystems within the oceans. Ecosystems are communities of organisms that depend on each other and their surroundings. Each ecosystem is connected to those around it.