No, the Manatee and Platypus are not the same animal. They are not even related. Manatees are marine, placental mammals, found in temperate waters around the world. Platypuses are freshwater monotremes, or egg-laying mammals, endemic to Australia.
Diatoms can be found in oceans, freshwater, and also in soils on damp surfaces
Marine
Yes :) they are most common in marine environments though
These protists are common worldwide in freshwater lakes and streams, only S. multiformis has been recorded from marine, freshwater and even terrestrial biotopes.
gain of water through food
I think marine aquariums are saltwater unlike freshwater that do not have saltwater
The intertidal zone is found in both marine and freshwater ecosystems. It is a transitional area between the land and water, subject to periodic submersion and exposure. Organisms in this zone must adapt to fluctuations in moisture and temperature.
It's a manatee
The scientific name for manatee grass is Syringodium filiforme. It is a seagrass species found in the Caribbean and Atlantic regions, often providing important habitat for marine life.
Ectoprocta, also known as bryozoans, is a phylum of strictly marine animals with no freshwater or terrestrial forms. These colonial filter-feeders build hard exoskeletons and are found in oceans worldwide.
The Florida Manatee