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Animal Groups Worksheet

Mammals, birds, reptiles, fish and insects: how are they different?

Grade 1 Grade 2

Printable worksheet

Animal Groups

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Read the passage, then answer the questions.

  1. 0Animal Groups

    Scientists sort animals into groups. Mammals, such as cats and whales, have hair or fur and feed their babies milk. Birds have feathers and wings, and most can fly. Reptiles, like snakes and lizards, have dry scaly skin.

    Fish live in water and breathe with gills. Insects have six legs and three body parts.

  2. 1Which group feeds babies milk? A mammals B reptiles C insects
  3. 2How many legs does an insect have? A four B six C eight
  4. 3What do fish breathe with?
  5. 4Which animal has feathers? A a bird B a snake C a whale
  6. 5Name one reptile.

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Answer key — Sheet A (5 answers)
  1. 1. A – mammals
  2. 2. B – six
  3. 3. Gills.
  4. 4. A – a bird
  5. 5. Snake or lizard.

About this skill

Scientists sort animals into groups. Mammals, such as cats and whales, have hair or fur and feed their babies milk. Birds have feathers and wings, and most can fly. Reptiles, like snakes and lizards, have dry scaly skin.

How to teach it

Mistakes to watch for

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