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To survive and reproduce

生存與繁衍

To look different from others

顯得與眾不同

To become extinct

走向滅絕

To avoid eating food

避免進食

沙漠炎熱乾燥，而極地地區則寒冷且食物來源有限。

Deserts are hot and dry, while polar regions are cold and have limited food sources.

沙漠中有許多植物，而極地地區則只有極少植物。

Deserts have a lot of plants, while polar regions have very few plants.

沙漠總是寒冷，而極地總是炎熱。

Deserts are always cold, while polar regions are always hot.

沙漠的水資源比極地地區更豐富。

Deserts have more water than polar regions.

Deep root systems

Thick, fleshy leaves

Large, smooth leaf surfaces

Needle-like leaves

By changing leaf shapes and water storage methods.

By migrating to other regions.

By growing taller than other plants.

By producing more flowers.

Migration

Camouflage

Warning coloration

All of the above

Playing dead

Changing color

Flying away

Making loud noises

They can survive in extreme environments, including outer space.

They can only survive in water.

They cannot survive temperature changes.

They are easily killed by radiation.

To help keep warm and resist cold

To show social status

To protect from rain

To make movement easier

Prevent snow accumulation

Easy to spot in snowy landscapes

Keep out wild animals

Reduce flooding

To prevent water accumulation and keep the house dry

To make the house look taller

To allow more sunlight inside

To make it easier to move the house

Dog sled

Camel

Small boat

Donkey

By changing their physical appearance

By migrating to new locations

By developing new behaviors

By ignoring environmental changes