Adaptations and Variations Tennessee

What is an adaptation?

• A change in DNA

• A trait of an organism that helps it survive in its habitat

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A polar bear is white like the snow surrounding it in its habitat. Describe this adaptation.

• Regeneration

• Mimicry

• Camouflage

• Hibernation

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Why do some organisms hibernate?

• To get some rest
• To escape harsh winters and maintain homeostasis
• To be the bearer of bad news
• To strive for greatness with rest

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How do adaptations help animals?

• to hide from predators
• to hunt for food
• to survive in their habitats
• All of these are correct

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Which of these is an example of both inherited and environmental variation?

• Blood group 
• Weight
• Eye colour 
• Dimples

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___________ to move from one place to another in a pattern.

• hibernate
• migrate
• camouflage
• adaptation

A kangaroo has a pouch to protect its young.

• Structural/Physical Adaptation
• Behavioral Adaptation

Polar bears have compact ears, a small tail, and thick fur to keep themselves warm. Are these examples of physical (structural) or behavioural adaptations?

• Physical
• Behavioural

This animal has large ears. What adaptation do large ears help with?

• for hibernation

• to remove body heat

• sensitive hearing for predators or prey

• both B and C

Which feature of a rose helps it grow without being eaten by large animals?

• flowers with bright colors
• sharp thorns
• small seeds
• deep roots