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To protect them against rainwater, since wax is a fat and therefore, unsoluble in water.

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Q: Why do animals that live on land have a coating of wax on their outer surface?
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What is the earth's surface?

It is called the surface, but the outer layer of rock beneath the land and the oceans is called the Earth's crust.


What animals helped colonize the land?

Having less dependance on external water for reproduction and living was a primary factor leading to the colonisation of land by animals. Animals that lay eggs gained an outer coating or shell that prevented water loss or eggs started developing inside animals, animals also gained skin that is less permeable to water to prevent water loss and even some metabolic cycles such as the excretion of metabolic protein products are less water dependant in land animals than in fish.


What the Earth's surface called?

It is called the surface, but the outer layer of rock beneath the land and the oceans is called the Earth's crust.


How did the ozone layer move animals to land from water?

It didn't. The ozone layer permitted plants and animals to move from the deep water to the water's surface, and eventually to land.


What causes the outer layer of the earth to move?

The outer layer of the earth's surface is made of plates. These plates are pushed by new land that is formed at rifts in the middle of the ocean where the surface is very thin. Lava squeezes up and out to the side from these rifts.


What do you call an image or picture of the surface of the earth on land sea or in outer space?

I think you're looking for the term "aerial photo".


How did the earth turn into land?

The Earth has always been a big ball of rock, with a metallic core, ever since it was originally formed. It has always been land, which is what we call the outer surface.


Why do think a spacecraft would not be able to land on any of the outer planets?

The outer planets are gas giants, made mostly or entirely of gas, so either there is no surface to land on, or even if there is, it lies underneath such a large amount of atmosphere that the atmospheric pressure would crush any spaceship that tried to land there. However, the outer planets also have lots of moons, which would be very suitable places for spacecraft to land.


How does construction affect earth's surface?

Building roads, and houses takes up animals land and native land causing deforestation and habbitat loss.


How do animals get stuck in amber?

fossils They land on a tree and get stuck in sap on the surface. Amber is petrified tree sap.


Is there anything on the surface of Earth?

There is a huge amount on the Earths surface such as Seas and Oceans, Ice caps, Land, mountains, desert, forest, People, Animals, buildings, roads, vehicles etc.


Which animal are called true land animals?

true land animals are animals that always live on land.