Page 10 - Science class 4
P. 10
Animals like crabs, tortoise
and snails have shells.
Porcupines have spines to
protect themselves from their
Walking stick Lizard Snail enemies.
Some animals like grasshopper, garden
lizard, snake etc. develop special adaptations
called camouflage . Camouflage help the
animals to hide from its predators and preys.
These animals change their skin colour to
blend with their surroundings. Snake Scorpion
Strange but true
¤ This is a mind-boggling fact–for each of the 600 million people there is
about 200 million insects.
¤ The world has approximately one billion cattle of which about 200
million live in India.
Scientific Terms
Aquatic : Those who live in water
Migrate : to change one's place for some reasons
Nervous system : brain and all nerves in the body
Scanty : a very small quantity
Sense organ : a specialized organ which functions as a receptor
Amphibian : Those who can live in land and water both
Chapter at a Glance
³ Animals can adapt themselves to their habitat, to the food they eat and for their
safety.
³ Animals can be grouped as terrestrial, aquatic, amphibian, arboreal and aerial
according to their habitat.
³ Animals also migrate or hibernate to survive in cold weather conditions.
³ Animals can survive in different conditions by adapting themselves to
camouflaging.
