Nutrition

Nutrition - So far… Nutrition 1 Autotrophic a...

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Aim : How can we describe the types of nutrition in living things? Do now : 1. What is nutrition? 2. Why do living things need nutrition?
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Nutrition : How an organism gets food (nutrients, organic compounds ) and makes it available to the cells. Nutrients : useful portion of food: -sugar -amino acid -fat -starch Organic Compounds = FOOD!!!!!!
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2 TYPES OF NUTRITION 1. Autotrophic nutrition Auto (self) trophic (refers to feeding and nutrition) “Self feeding.” -Organisms that make their own organic compounds ex. Photo synthesis Chemo synthesis
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a. Photosynthesis Photo (light) synthesis (creating, making) -Light is the source of energy for the production of food. -“Who?” ex. Plants
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Autotrophs :
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b. Chemosynthesis Chemo (chemical) synthesis (creating, making) -Chemical activity is the source of energy for the production of organic compounds. Who? -organisms in environments that do not rely on the sun to make food. ex. Deep sea organisms
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Photosynthesis Chemosynthesis
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Chemosynthetic nutrition - Deep sea tube worms and arthropod
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Unformatted text preview: So far…. . Nutrition : 1. Autotrophic: a. photosynthesis b. chemosynthesis Autotrophs – Organisms that can make their own food by photosynthesis or chemosynthesis. 2. Heterotrophic nutrition – Hetero: other trophic: (refers to feeding and nutrition) “Fed by others.”- Heterotrophs: Organisms that eat organic compounds made by others. ex. Animals or animal-like protists called protozoa : amoeba, paramecium. Proto (first) zoa (animal, zoo) Examples of heterotrophs paramecium More heterotrophs…. Obviously, a _________________ . heterotroph! Are you a heterotroph? Summary : 2 types of nutrition on Earth: 1. Autotrophic - photosynthesis- chemosynthesis 2. Heterotrophic This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching....
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This note was uploaded on 11/23/2011 for the course BIO 100 taught by Professor Robinson during the Fall '08 term at BYU.

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Nutrition - So far… Nutrition 1 Autotrophic a...

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