Ecosystems

The three main categories of ecosystems are:

Terrestrial: Ecosystems found on land

Freshwater: Ecosystems not in the ocean that still hold water (with freshwater (of course))

Marine: Ecosystems completely covered/composed of deep salt water

Niche

Every animal in an ecosystem has a niche. What is a niche?

A niche is the role an organism plays in an ecosystem. Basically it is a job they do. Similar to chores you do at home.

Examples:

In the ocean, the cleaner shrimp eats items off other creatures to feed itself and keeps the creatures healthy.

In forests, the beaver cuts down trees to make a dam so they can protect themselves, their young, and their food.

In many areas of the world, spiders make shells in their webs to protect their many eggs.

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