Test on classification of animals

1. Which of the following is a unique characteristic of reptiles?

• a. They have gills for breathing
• b. They give birth to live young
• c. They have scales covering their body
• d. They have feathers for flight

2. What makes mammals different from other vertebrates?

• a. They lay eggs in water
• b. They have scales on their body
• c. They can breathe through gills
• d. They feed their young with milk

3. Which characteristic is common to all fish?

• a. They have lungs
• b. They have gills for breathing
• c. They can survive on land
• d. They have legs for movement

4. What is a key feature of birds that helps them fly?

• a. Scales on their body
• b. Feathers on their wings
• c. Smooth, moist skin
• d. Long, scaly tail

5. How are amphibians different from reptiles?

• a. They have a backbone
• b. They lay eggs
• c. They have moist, smooth skin
• d. They have scales

6. Which group of animals includes snakes and lizards?

• a. Amphibians
• b. Mammals
• c. Reptiles
• d. Fish

7. What is a characteristic of vertebrates?

• a. They have no internal skeleton
• b. They have a backbone
• c. They have soft bodies
• d. They have no limbs

8. Why are chameleons classified as reptiles?

• a. They can change color
• b. They have scales and lay eggs
• c. They live in water
• d. They have feathers

9. What makes fish different from other vertebrates?

• a. They have fins and gills
• b. They have wings
• c. They have legs
• d. They breathe through lungs

10. Which feature is common to all mammals?

• a. They can fly
• b. They live in water
• c. They have hair or fur
• d. They have scales