they have gills that aloughs them to breath
There were no animals during this period. The only life forms were primitive bacteria which lived in sea waters. They survived by being under sea. All others were wiped out.
A lot of animals can survive under 90 degree weather.
Orca are sea animals and survive in water -- anywhere they in the world.
in the sea under the sea
Because if there a sea animal and they are born in the sea then they adapted to swimm
a few of the sea animals cannot stay under water for a long time.
Since there is no food chain in Antarctica, it's too cold, there are no animals that live there. Sea animals eat other sea animals in the shortest food chain on earth.
For the same reason any other animal eats. To survive.
Maybe some are animals where not all of them are to survive? e.g turtles Not all of them survive on there way to the sea.
By sea animals eating off of kelp or known as seaweed
Yes. Most sea animals need coral to survive.
many aquatic animals