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UNIT-THE CHEMICAL CHANGES OF 
FOOD 
TOPIC- NUTRITION IN AMOEBA 
STANDARD-9TH 
SUBMITTED BY , 
KEERTHY.P 
NATURAL SCIENCE 
KUCTE
NUTRITION IN 
AMOEBA
OBJECTIVES 
1.TO MAKE AWARE ABOUT HOW 
NUTRITION IN AMOEBA TAKES PLACE. 
2.TO MAKE AN AWARENESS THAT 
NUTRITION IS ALSO PRESENT IN 
MICRO ORGANISMS. 
3.TO UNDERSTAND THE FUNCTION OF 
PSEUDOPODIA. 
4.TO MAKE AWARE THAT AMOEBA IS A 
UNI CELLULAR ORGANISM. 
5.TO MAKE AWARE THAT AMOEBA HAS 
NO SHAPE.
FOOD 
ALGAE 
BACTERIA 
SMALL PROTOZOANS
MODE OF FEEEDING 
INGESTS FOOD USING PSEUDOPODIA
DIGESTION 
TAKES PLACE IN THE FOOD VACUOLE FOUND IN 
THE CYTOPLASM. THERE ARE ENZYMES THAT 
CAN DIGEST STARCH, PROTEINS AND FATS
ABSORPTION 
THE SIMPLE NUTRIENTS ARE ABSORBED IN TO 
THE CYTOPLASM
EXCRETION 
THE WASTES ARE EXPELLED THROUGH THE 
BODY WALL
Unit the chemical changes of food
SHOWING 
THE STEPS 
OF 
NUTRITION 
IN 
AMOEBA
Unit the chemical changes of food
Unit the chemical changes of food

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Unit the chemical changes of food