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The three big ones that first come to mind are:
1) Lungs - Obviously you would need to breath air in some manner before you could venture out of the water
2) Self-moisturizing skin - Your skin would dry and crack without access to water unless it had natural oils that moisturized it.
3) Structural support - Your body would collapse under the weight of gravity if it did not have a skeleton that could provide you with structural support and a means for locomotion. Even fish with rudimentary lungs have bony forelimbs that they use to propel themselves around on land.
What else can I help you with?
What sea creatures live in antarctica?
Antarctica is a continent. No sea creatures live on land.
What is one not reason sea creatures are different from land creatures?
it has gills
Are land animals warm blooded and sea animals cold blooded?
No not all land and sea creatures are warm blooded
Can a sea robin walk on land?
Sea robins cannot walk on land as they are specialized for swimming in water. Their pectoral fins are used for navigating through the water and are not adapted for supporting the fish's weight on land.
How are land ainmals and sea animals different?
see land animals have to breathe on land...of course,and sea creatures have Gils which are used to breathe under water but their are some land and sea animals such as frogs or aquatic turtles
Which has more creatures land or sea?
There are more known species of creatures on land compared to in the sea. However, the ocean is estimated to be home to a greater diversity of species, many of which are yet to be discovered and described.
Why do marine biologists study animals and creatures in the sea?
because we need to know what is in the sea
The height of land above sea level is?
...a good thing for air-breathing creatures.
Do Tasmanian devils live on land or sea?
Tasmanian devils live on land. They are not water-dwelling creatures of any description.
Do food chains exist only on the land?
Food chains exist on the land and in the sea. Tiny plants in the oceans are the ultimate source of food for all sea creatures.
How are sea turtles different from turtles?
Sea turtles can't walk on land easily because of their flippers. Land turtles can swim, but not as gracious and swiftly as a sea turtle.
Can jellyfish breathe on land?
No. The extract dissolved oxygen from water.
