- Introduction
- Rest time! Have fun
- Physics
- Chemistry
- BIOLOGY
- Reaching the age of Adolescence
- CROP PRODUCTION AND MANAGMENT
- Cells : The basic structural unit of life
- Nutrition in human beigns
- RESPIRATION IN HUMAN BEIGNS
- TRANSPORTATION IN HUMAN BEIGNS
- excretory system in human beigns
- NERVOUS SYSTEM
- PHOTOSYNTHESIS
- Respiration in plants
- REPRODUCTION IN PLANTS
- MOVEMENTS IN PLANTS
- Forest our lifeline
- WASTE WATER STORY
- WEATHER,CLIMATE AND ITS ADAPTATION .
- Reaching the age of Adolescence
- Model tests
- Animation time
Forest : Our lifeline
A FOREST HAS SEVERAL TYPES OF PLANTS . MANY ANIMALS MAKE THERE HOMES IN THE BURROWS OF SOIL ,TREE TRUNKS,BARKS,IN THE BRANCHES UNDER THE LEAVES .
THE FOREST IS THE NATURAL HABITAT TO MANY PLANTS AND ANIMALS .
THE BRANCHY PART OF A TREE ABOVE THE STEM IS KNOWN AS CROWN .
A FOREST HAS CROWN OF DIFFERENT TYPES AND DIFFERENT SIZES -
A. THE TALL TREES FROM THE TOP LAYER .
B. SHRUBS AND TALL GRASSES FORM THE SECOND UNDER STOREY .
C. MANY TYPES OF HERBS FORM LOWEST LAYER .
THE BRANCHES OF TALL TREES (CROWN) FORM A ROOF LIKE STRUCTURE ON PLANTS THIS IS KNOWN AS CANOPIES.
GREEN PLANTS OF THE FOREST REALISE OXYGEN AND TAKE CARBONDIOXIED SO THEY ARE CALLED GREEN LUNGS .
FORESTS HAS NUMBER OF ORGANISMS WHICH ARE INTERDEPENDENT ON EACH OTHER FOR THERE FOOD i.e. FOOD CHAIN
FOR EG-
GRASS - GRASSHOPPER -FROG -SNAKE-EAGLE
THE NUMBER OF FOOD CHAIN WHICH ARE INTERLINKED TO MAKE A FOOD WEB. NO FOOD CHAIN CAN EXIST ALONE AND EACH FOOD CHAIN BEGANS WITH GREEN PLANTS .
THE MICRO-ORGANISMS PRESENT IN THE SOIL WHICH CONVERT DEAD AND DECAYED ORGANISM TO HUMUS ARE CALLED DECOMPOSERS .
HUMUS SUPPLIES NUTRIENTS TO THE SOIL MAKES THE SOIL SOFT AND SPONGY FOR BETTER GROWTH OF PLANTS
NOTHING GOES WASTE IN FORESTS .
SOIL IN THE FOREST HELP THE PLANTS .THE PLANTS OF THE FOREST PROTECT THE SOIL FROM SOIL EROSION .
FOREST HAS GREAT INFLUENCE CLIMATE ,WATER CYCLE AND PURITY OF AIR .
BIRDS AND ANIMALS PLAY AN IMPORTANT ROLE BY DISPERSING SEEDS OF A PLANT AND HELP IN REGENRATION .
FOREST PROVIDE A VARIETY OF FOOD TO THE DIFFERENT ORGANISM .
FORESTS PROVIDE MOST USEFUL PRODUCTS LIKE WOOD,BAMBOO,HONEY,RUBBER,WAX.ETC
THE FOREST IS THE NATURAL HABITAT TO MANY PLANTS AND ANIMALS .
THE BRANCHY PART OF A TREE ABOVE THE STEM IS KNOWN AS CROWN .
A FOREST HAS CROWN OF DIFFERENT TYPES AND DIFFERENT SIZES -
A. THE TALL TREES FROM THE TOP LAYER .
B. SHRUBS AND TALL GRASSES FORM THE SECOND UNDER STOREY .
C. MANY TYPES OF HERBS FORM LOWEST LAYER .
THE BRANCHES OF TALL TREES (CROWN) FORM A ROOF LIKE STRUCTURE ON PLANTS THIS IS KNOWN AS CANOPIES.
GREEN PLANTS OF THE FOREST REALISE OXYGEN AND TAKE CARBONDIOXIED SO THEY ARE CALLED GREEN LUNGS .
FORESTS HAS NUMBER OF ORGANISMS WHICH ARE INTERDEPENDENT ON EACH OTHER FOR THERE FOOD i.e. FOOD CHAIN
FOR EG-
GRASS - GRASSHOPPER -FROG -SNAKE-EAGLE
THE NUMBER OF FOOD CHAIN WHICH ARE INTERLINKED TO MAKE A FOOD WEB. NO FOOD CHAIN CAN EXIST ALONE AND EACH FOOD CHAIN BEGANS WITH GREEN PLANTS .
THE MICRO-ORGANISMS PRESENT IN THE SOIL WHICH CONVERT DEAD AND DECAYED ORGANISM TO HUMUS ARE CALLED DECOMPOSERS .
HUMUS SUPPLIES NUTRIENTS TO THE SOIL MAKES THE SOIL SOFT AND SPONGY FOR BETTER GROWTH OF PLANTS
NOTHING GOES WASTE IN FORESTS .
SOIL IN THE FOREST HELP THE PLANTS .THE PLANTS OF THE FOREST PROTECT THE SOIL FROM SOIL EROSION .
FOREST HAS GREAT INFLUENCE CLIMATE ,WATER CYCLE AND PURITY OF AIR .
BIRDS AND ANIMALS PLAY AN IMPORTANT ROLE BY DISPERSING SEEDS OF A PLANT AND HELP IN REGENRATION .
FOREST PROVIDE A VARIETY OF FOOD TO THE DIFFERENT ORGANISM .
FORESTS PROVIDE MOST USEFUL PRODUCTS LIKE WOOD,BAMBOO,HONEY,RUBBER,WAX.ETC