Grade 5, Science Olympiad (CBSE) - Mammals and non mammals 

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Grade 5  |   Science  |   Mammals and non mammals, Animals and Birds, Olympiad, CBSE, ICSE, SOF, ITO

Mammals

  • Mammals give birth to young ones and don’t lay eggs.
  • Mammals have well-developed lungs.
  • Mammals produce milk to feed their babies.
  • Mammals are warm-blooded.
  • Whale is not a fish but a mammal. Whales give birth to young ones and have lungs for breathing. They don't have gills like fish. They come to the surface of the water to breathe.
  • Dolphins are also mammals and have the same characteristics.
  • Bat is not a bird but a mammal.

Animals which have backbones are called vertebrates.
Mammals, birds, fish, reptiles, amphibians are vertebrates. They have backbones. Insects and worms are not vertebrates.

Animals which lay eggs are called oviparous. Birds are oviparousPenguin is oviparous. Bats are not oviparous. Bats are mammals.


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Mammals
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Warm or cold blooded?
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Vertebrates or invertebrates
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