Vertebrates

These are animals that feed their young with milk from their mammary glands.

• Amphibians

• Birds

• Mammals

• Reptiles

Turtles belong to the group of...

• Amphibians

• Birds

• Mammals

• Reptiles

Animals can be grouped according to body coverings. Chickens and ducks have covered with feathers. Which group do these animals belong?

Some water animals like whales belong to the group mammals. Why are whales mammals?

• because they have moist skin

• because they have big mouth

• because they have lungs and mammary gland

• because they have gills and fins for swimming

Which statement best describes the characteristics of Fishes?

• Fishes live on land and in water.

• Fishes have fins, scale and gills for adaptation in their habitat.

• Fishes have no bones.

• Fishes like other animals eat plants.

Some animals live both on land and in water. Which of the following animals usually lay their eggs in water but may spend most of their lives on land?

How helpful are the body coverings of reptiles to them?

• Their body coverings can sense danger.

• Their body coverings help catch food.

• Their body coverings promote reproduction.

• Their able to live in dry places.

How do we call an animal whose body temperature changes with the temperature of the environment?

• Aquatic

• Ectothermic

• Endothermic

• Terrestrial

Which of these animals is NOT warm-blooded?

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• 
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What influences the body temperature of an ectothermic animal?

• the animal's body heat

• the presence of skeleton

• the animal's feeding habit

• the temperature of the environment