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Topic – Adaptations

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Read the Following Selection

Read about adaptations, or click on the play button below to listen aloud.

Adaptations

Arctic Foxes have small ears to retain heat, this is a type of adaptation

Organisms have characteristics that help them survive in their community. These adaptations can be physical structures or behaviours. Individuals with helpful traits are more likely to survive. They produce young with the same traits. Adaptations create biodiversity after many generations.

Structures

Physical features can help an organism survive. The beaks and feet of birds are good examples:

  short strong hooked beaks for eating animals

  long slender beaks dig in mud for food

  webbed feet for swimming

  a long back toe to perch on branches

Structural adaptations can also be inside an animal. For example, a penguin’s heart beats 60 to 100 times per minute. When the penguin dives, its heart rate drops to 20 beats per minute. That helps the penguin use less oxygen.

Grizzly Bears hibernate for up to 213 days!

Behaviours

The things organisms do are called behaviours. They can help them find food or survive harsh weather. Hibernating and migrating are two behavioural adaptations. Hunting is another behaviour.


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