🔥പുതിയ പാഠപുസ്തകത്തിന്റെ ഉള്ളടക്കങ്ങളുമായി ബന്ധപ്പെട്ട പോസ്റ്റുകൾ ഉടൻ തന്നെ പ്രസിദ്ധീകരിക്കും....പഴയ പാഠപുസ്തകങ്ങളുടെ ഉള്ളടക്കങ്ങൾ പാഠത്തിന്റെ പേരുള്ള പോസ്റ്റിലേക്ക് മാറ്റുകയാണ്.

ORGANISMS AN SURROUNINGS CLASS 4 EVS UNIT 1 NOTE [ SCERT KERALA SYLLABUS ENGLISH MEDIUM]

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1. WHICH ORGANISMS LIVED ON THE TREES?
BIRDS, SQUIRRELS, CHAMELEONS, SPIDERS AND ANTS WERE THE LIVING THINGS SEEN ON THE TREE.

2. WHICH ORGANISMS DID YOU SEE IN THE POND?
FISH, FROG, CRABS, SNAILS, WATER SNAKES AND INSECTS WERE THE LIVING THINGS SEEN IN THE POND.

3. DO ALL ORGANISMS NEED A PLACE TO LIVE?
YES, ALL LIVING THINGS NEED A PLACE TO LIVE. EVERY LIVING THINGS NEEDS A PLACE WHERE IT CAN GET THE FOOD, WATER AND SHELTER IT NEEDS TO SURVIVE.

4. CAN ORGANISMS THAT LIVE IN WATER ALSO LIVE ON LAND?
NOT ALL LIVING THINGS THAT LIVE IN WATER CAN LIVE ON LAND. ANIMALS LIKE FISH CANNOT LIVE ON LAND BUT SOME ANIMALS LIKE FROG, CROCODILES CAN LIVE NOTH ON LAND AND WATER.

5. WHY CAN'T FISH LIVE ON LAND?
BECAUSE FISH CANNOT BREATHE THE AIR ON LAND, AND ALSO THEIR BODY SHAPE DOES NOT ALLOW THEM TO MOVE ON LAND.

6. WHAT SPECIAL FEATURES HAVE YOU OBSERVED IN FISH THAT HELP THEM LIVE IN WATER?
THE SHAPE OF THEIR BODY, FINS AND SCALES ARE THE MAIN FEATURES THAT HELP FISH LIVE IN WATER.

7. WHAT IS THE SHAPE OF THE FISH?
THE SHAPE OF THE FISH IS LIKE A BOAT.

8. HOW DOES THIS SHAPE HELP THE FISH MOVE IN WATER?
THE BOAT SHAPE OF THE FISH HELPS THEM SWIM EASILY THROUGH WATER.

9. OBSERVE THE SHAPES OF BOATS. WHICH OF THESE SHAPES IS MORE SUITABLE FOR TRAVELLING THROUGH WATER?
A BOAT LIKE THE SHAPE OF FISH IS BETTER. THIS SHAPE HELPS IT MOVE QUICKLY IN WATER.

10. HOW DO FISH CHANGE DIRECTION?
THE FISH CHANGE DIRECTION USING THEIR FINS AND TAIL.

(nextPage) 11. HOW ARE FISH SCALES ARRANGED?
THE SCALES ARE ARRANGED IN ONE WAY DIRECTION TO HELP THEM SWIM EASILY AND PROTECT THEIR BODIES.

12. WHICH BODY PART OF THE FISH HELPS THEM BREATHE?
THE GILLS HELP THE FISH TO BREATHE THE AIR IN THE WATER.

13. WHICH ARE THE SPECIAL FEATURES THAT HELP THE FISH LIVE IN WATER?
THE BODY SHAPE, FINS, TAIL FIN, ARRANGEMENT OF SCALES, GILLS AND SLIMY BODY ARE THE MAIN FEATURES THAT HELP FISH.

14. WHAT IS XEROPHYTES?
DESERT PLANTS ARE KNOWN AS XEROPHYTES.

15. WHAT ARE THE SPECIAL FEATURES OF XEROPHYTES?
➢ THESE PLANTS MAY HAVE NO LEAVES OR HAVE SMALL LEAVES OR THORNS.
➢ STEMS ARE THICK, GREEN AND A WAXY COATING AND CAN STORE WATER.
➢ DEEP ROOT ABSORB WATER FROM GREAT DEPTHS.

16. WHAT IS ADAPTATION?
PLANTS AND ANIMALS HAVE BODY FEATURES THAT HELP THEM SURVICE IN THEIR ENVIRONMENTS. ANY BODY FEATURES THAT HELPS AN ORGANISUM SURVICE IN ITS ENVIRONMENT IS CALLED ADAPTATION.

17. ADAPTATION OF WATER LILLY
* GROWS IN WATER.
* THE LEAVES FLOAT ON WATER SURFACE.
* THE LEAVES ARE BIG AND FLAT.
* AIR CHAMBERS ARE PRESENT IN THE LEAVES AND STEM OF WATER LILY.
* THEY DO NOT DECAY THOUGH THEY ARE IN WATER ALL THE TIME.

18. ADAPTATION OF FROG
* FROG CAN LIVE BOTH LAND AND WATER. * FROG CAN BREATHE THROUGH SKIN WHILE IN WATER AND IT CAN BREATHE THROUGH NOSE WHILE ON LAND. * SLIPPERY BODY.
* PADDLE LIKE LIMBS HELP TO MOVE IN WATER.
* LIMBS ALSO HELP IT TO HOP ON THE LAND.

18. ANIMALS LIVE ON LAND.
▪ LION
▪ CAT
▪ DOG
▪ CROW
▪ COW
▪ RAT
▪ EAGLE

19. ANIMALS LIVE ON WATER.
▪ FISH
▪ DOLPHIN
▪ WHALE
▪ JELLY FISH
▪ STAR FISH
▪ PRAWN
▪ SHARK
▪ SEA HORSE
▪ TUNA

20. ANIMALS LIVE ON LAND AND WATER.
▪ FROG
▪ CROCODILE
▪ TURTLE
▪ CRAB
▪ SALAMANDER
▪ NUTE
▪ WATER SNAKE
▪ BEAVER
▪ SEA LION
▪ DUCKS
▪ HIPPOPOTAMUS



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