Nutrition Aim: How do different living organisms obtain food?

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Presentation transcript:

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 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.