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Unit 1
Living Things
• Green plants can make their own food in the sunlight.
Watering plants
Animals cannot make their own food.
Some animals eat plants. They are called herbivores.
Cows, mice, horses, rabbits and sheep are herbivores.
Horse eating grass
Animals that eat the meat of other animals are called carnivores.
Lions, tigers, dogs and cats are carnivores.
Cat in grass
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Living Things
Unit 1
Crow
Mangoes
Child eating

Human beings and some species eat both plants and animals.
They are called omnivores.

Human beings, hens and many birds like crows are omnivores.

The food that is taken into the body is broken down into simple particles. It is used by the body to grow. Some food is stored in the body. This stored food can be used later.
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Unit 1
Living Things

Activities
1Answer the following questions.
  • (a) What do living things need to live? Water, food, and oxygen (air).
  • (b) How is oxygen useful for the body? Living things need oxygen to breathe.
  • (c) What happens to the food that is taken inside the body? It is broken down into simple particles and used by the body to grow. Some food is stored.
  • (d) Why is food important for the body? It helps the body to grow and provides stored energy for later use.
2Fill in the blanks to complete the statements.
  • (a) The  Earth  is the only planet that has water and oxygen.
  • (b) Living things need  oxygen  to breathe.
  • (c) Fish breathe using their  gills .
  • (d) Three-Fourths of our bodies are made up of  water .
  • (e) Animals that eat plants only are called  herbivores .
  • (f) Animals that only eat the meat of other animals are called  carnivores .
  • (g) Animals that eat both plants and animals are called  omnivores .
3Classify the diet of each animal by writing a ( ✓ ) under the appropriate category.
Animal Herbivore Carnivore Omnivore
(a) rabbit✓
(b) lion✓
(c) hen✓
(d) sheep✓
(e) tiger✓
(f) crow✓
(g) horse✓
(h) dog✓
(i) human✓
(j) mouse✓
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