Survival Structures Answer Key

Name:

Date:

📚 Part 1: Multiple Choice

1. What is an adaptation?

A) Something an animal learns

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B) A body part or behavior that helps an animal survive

C) An animal's favorite food

D) Where an animal lives

Explanation: An adaptation is a special feature that helps animals survive in their environment.

2. Why do camels have humps?

A) To look scary

✓

B) To store fat for energy and water

C) To carry things

D) To keep warm

Explanation: Camel humps store fat that can be converted to energy and water during long desert journeys.

3. Which adaptation helps owls hunt at night?

A) Bright colors

✓

B) Large eyes and silent flight

C) Long legs

D) Sharp teeth

Explanation: Owls have large eyes to see in darkness and special feathers for silent flight to surprise prey.

4. Check all adaptations that help animals survive in cold environments:

✓

Thick fur

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Layers of fat

Large ears

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Small body parts to reduce heat loss

Explanation: Thick fur, fat layers, and small extremities help animals stay warm. Large ears actually help animals cool down.

🔗 Part 2: Matching Activity

5. Match each animal to its survival adaptation:

Polar Bear

Chameleon

Kangaroo Rat

Poison Dart Frog

Answer Key:

Polar Bear → Thick white fur for warmth and camouflage

Chameleon → Color-changing skin for camouflage

Kangaroo Rat → Gets water from food, doesn't need to drink

Poison Dart Frog → Bright colors warn predators of poison

Color-changing skin

Bright warning colors

Gets water from food

Thick white fur

✏️ Part 3: Short Answer Questions

6. Explain how a giraffe's long neck helps it survive.

Sample Answer: A giraffe's long neck helps it reach leaves high up in trees that other animals cannot reach. This gives giraffes access to food that others don't have, helping them survive when food is scarce.

7. Name one structural adaptation and one sensory adaptation that help eagles hunt successfully.

Sample Answer: Structural adaptation: Sharp talons for grabbing prey. Sensory adaptation: Excellent eyesight to spot prey from far away.

8. Fill in the blanks: Animals that live in the _______ often have thick _______ to keep warm, while animals in the _______ might have large _______ to stay cool.

Answer: Animals that live in the Arctic/cold often have thick fur/fat to keep warm, while animals in the desert might have large ears to stay cool.

9. Describe how the structure → function → survival benefit pattern works. Give one example.

Sample Answer: This pattern shows how a body part (structure) does a specific job (function) that helps the animal survive (survival benefit). Example: A duck's webbed feet (structure) help it swim well (function) so it can escape predators and find food in water (survival benefit).