they aren't
Yes. All animals balance the ecosystem.
It is important to save sea lions because they are endangered species. When a species becomes extinct, it disrupts the ecosystem.
it is important because they prevent the soil erosion along the sea coast.
A sea star is called a sea star simply because of where it lives (the sea) and what it looks like (a star), simple!
The most important part of an ecosystem is the living things in it.
a sea is an ecosystem because it helps and provides for communities and populations. there is another world of animals that live in the sea. the sea is like above the ground but it is under water (:
When sea urchins are not present in the ecosystem kelp forests thrive.
it will go down shellfish can not go on land and survive
Of course it is. They are part of an important ecosystem and the foodchain. Polar bears are majestic animals.
The ecosystem of the hammer head is the ocean sea
hanapin mo