1 TRG − Biology Form 4 Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved. Nutrition Concept Map 6.1 Types of Nutrition Chapter 6: Nutrition
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TRG − Biology Form 4 Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved.
Nutrition
Concept Map6.1 Types of Nutrition
Chapter 6: Nutrition
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TRG − Biology Form 4
Concept Map
Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved.
Nutrition
Heterotrophicnutrition
Technology infood processingand production
Photoautotrophic Chemoautotrophic
Autotrophicnutrition
Saprophytism Holozoicnutrition
Parasitism
Herbivorous Carnivorous Omnivorous
Chapter 6: Nutrition
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TRG − Biology Form 4 Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved.
Chapter6.1 Types of Nutrition
Nutrition
Process that organisms obtain energy from food for growth and maintenance of life
Autotrophs Heterotrophs
Chapter 6: Nutrition
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TRG − Biology Form 4 Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved.
Chapter6.1 Types of Nutrition
Autotrophs
Photoautotrophs
Chemoautotrophs
Chapter 6: Nutrition
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TRG − Biology Form 4 Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved.
Chapter6.1 Types of Nutrition
Heterotrophs
Parasites
Saprophytes
Holozoic nutrition
Chapter 6: Nutrition
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TRG − Biology Form 4 Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved.
Chapter6.1 Types of Nutrition
(autos : self ; trophos : feed)Produces own food from raw, simple inorganic substances by :
Photosynthesis
Green plants (photoautotrophs) manufacture their own food from carbon dioxide and water using sunlight as a source of energy
Chapter 6: Nutrition
Using light energy
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TRG − Biology Form 4 Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved.
Chapter6.1 Types of Nutrition
Chemosynthesis
Certain bacteria (chemoautotrophs) produce food by oxidisinginorganic substances such as hydrogen sulphide and ammonia
Chapter 6: Nutrition
Using chemical energy
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TRG − Biology Form 4 Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved.
Chapter6.1 Types of Nutrition
Unable to manufacture own foodMust obtain the nutrients from other organisms
Feed on dead and decaying organic matter
Digest their food externally before absorbing the nutrientsinto their bodies (extra cellular digestion)
Saprophytism
Chapter 6: Nutrition
(hetero : other)
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TRG − Biology Form 4 Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved.
Chapter6.1 Types of Nutrition
Parasitism
Obtain food by living on and absorbing readily digested food from the body of another organism, called the host
Chapter 6: Nutrition
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TRG − Biology Form 4 Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved.
Chapter6.1 Types of Nutrition
Holozoic nutrition (holo : like ; zoon : animal)
Carnivorous –Carnivores(animal eaters)
Feed by ingesting solid organic matter which is digestedand absorbed into their bodies
Omnivorous –Omnivores
(both plant and animal eaters)
Herbivorous –Herbivores(plant eaters)
Chapter 6: Nutrition
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TRG − Biology Form 4 Copyright (c) Amazing Tunas Enterprise and its licensors. All rights reserved.
Chapter6.1 Types of Nutrition
The relations of different types of nutrition
Carbondioxide Photosynthesis / Chemosynthesis
Feeding and assimilation
Feeding and assimilation
Minerals
Wasteand dead
bodies
Wasteand dead
bodiesHolozoic heterotrophs
(Carnivores and omnivores)
Holozoic heterotrophs(Herbivores)
Autotrophs (Produces)
Carbon dioxidein air
MineralsIn soil
Radiant energy and energyfrom chemical oxidation
Saprophytism(Decomposers) Parasites
KEY:Flow of energyFlow of matterFlow of energy andmatterEnergy loss byrespiration
Chapter 6: Nutrition
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