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All life on land evolved from a few aquatic ancestors. It just so happens that all of these ancestors were not radially symmetrical, so all land animals are not radially symmetrical.
All animals need water to live. Turtles are animals.
this animals are the fish , whale , shark , pirana and all animals that live water
All animals that eat plants by or in the water, live in the water, swim in the water, or drink the water are polluted by water pollution. So basically, if you pollute the water, you are polluting all animals.
No animals can live without water. Some animals can go long periods of time with out water like camels but no animal can go their whole life without drinking any water at all.
Probaly not. But seals and all land and water animals did.
This is all I know but the animals classified in Chordata have bilateral symmetry.
Symmetry in animals is something that is very important. It is a big part of classification in animals. Nearly all multi-cellular organisms exhibit one or other type of symmetry such as radial or bilateral. For more on this see the source.
sponges have no symmetry animals with radial symmetry are radiata and cnidaria, like jellyfish
maby maby not
all I can think of is a goblin shark
sponges