a coral
well it was actually made to defend its self remember that all of the soft tissues are in side the hard shell
Lichen.
saltwater
Hello
Approximately 0.1% of the freshwater on Earth's surface is found in living things. This water is primarily contained within organisms and makes up a small portion of the total freshwater available. The majority of freshwater exists in lakes, rivers, and underground aquifers.
Goldfish do not live in the sea they live in freshwater ponds and lakes and feed on a wide range of things, from plants to insect lava and things floating on the surface of the water. they may also feed on worms and smaller fish.
Legs? Feet? Maybe shoe-laces?
No, but I bet a lot of people wish there were.
nitrates among other things
Saturation.
Indigo, indigo crayons, indigo colored paper, and indigo colored shirts.
Some things that are rainbow-colored include rainbows, certain types of gemstones, some flowers, and certain types of fish.