ATP is energy in your cells
All of the following (corals, jellyfish, and sea anemones) have only one opening into their digestive system, except roundworms, which have more than one.
The Water Cycle, however the scientific name is The Hydrologic Cycle.
There are many fish and other large marine animals in the light zone becuse plankton (a main foodsource for many fish) is able to grow.
