Want this question answered?
Echinoderms live only in the sea.
they become beneficial because they can treaten disease and they can lessen garbages in environment
it doesnt
the carboniferous period had crinoids,echinoderms but today we don't have it
the carboniferous period had crinoids,echinoderms but today we don't have it
Most of the others poison the environment but this does not.
Echinoderms usually feed on smaller creatures in the sea floor. They also provide food for other larger fish within the ocean.
they aren't
they are ectothermic because their body temp. is the same as their environment.
Clipper Lighters are more beneficial for the environment because they are refillable. Once the lighter is empty you can put more lighter fluid instead of tossing in the garbage.
Depends on the type of the physical process. Some are beneficial, some are harmful to the environment.
Animals are beneficial to the environment for many reasons including the fact that many of them clean up the air or soil. They are also important as a food source for humans and other animals.