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Nutrition Aim: How do different living organisms obtain food?. Nutrition. Processes by which organisms obtain and use the nutrients required for maintaining life. Modes of Nutrition. Ways of obtaining and using nutrients. Nutrition. Autotrophic nutrition. Heterotrophic nutrition.
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NutritionAim: How do different living organisms obtain food?
Nutrition • Processes by which organisms obtain and use the nutrients required for maintaining life
Modes of Nutrition • Ways of obtaining and using nutrients Nutrition Autotrophic nutrition Heterotrophic nutrition Herbivore Carnivore Omnivore Decomposer
Autotrophic Nutrition A. Carry out by Autotrophs Autotrophs: are living things that can synthesize their own food from inorganic compounds and a usable energy source/sunlight Trees Flower Algae
Heterotrophic Nutrition • Carry out by Heterotrophs • Heterotrophs: are living organisms that can NOT synthesize their own food and are dependent on other organisms for their food Caterpillar Lion Monkey
Types of Heterotrophs • Herbivores • Feed on plants only
Types of Heterotrophs • Carnivores • Feed on animals only
Types of Heterotrophs • Omnivores • Feed on both plants and animals
Types of Heterotrophs • Decomposers • Organisms feed on dead organisms or non-living organic matter • (e.g. fungi, bacteria) Fungi Bacteria
Importance of Decomposers • As decomposers • Allow essential materials (e.g. C, N) to be recycled in the ecosystem
Practice • Correctly categorize the following organism’s mode of nutrition and explain why. Which mode of nutrition am I? • Answer: • Heterotrophic nutrition • Specifically, Carnivore • Why? Because I only eat meat.
Practice • Correctly categorize the following organism’s mode of nutrition Which mode of nutrition am I?
Practice • Correctly categorize the following organism’s mode of nutrition Which mode of nutrition am I?
Practice • Correctly categorize the following organism’s mode of nutrition Which mode of nutrition am I?
Practice • Correctly categorize the following organism’s mode of nutrition Which mode of nutrition am I?
Practice • Correctly categorize the following organism’s mode of nutrition Which mode of nutrition am I?
Practice • Correctly categorize the following organism’s mode of nutrition Which mode of nutrition am I?
Practice • Correctly categorize the following organism’s mode of nutrition Which mode of nutrition am I?
Practice • Correctly categorize the following organism’s mode of nutrition Which mode of nutrition am I?
Critical Thinking • How are autotrophs different than heterotrophs?
Critical Thinking • Which type of nutrition, autotrophic nutrition or heterotrophic nutrition, plays a more important role in an ecosystem? Explain. Must provide 3 reasons to support your claim.