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Nutrition PowerPoint Presentation

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Nutrition Presentation Transcript

Slide 1 - 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?
Slide 2 - 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!!!!!!
Slide 3 - 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. Photosynthesis Chemosynthesis
Slide 4 - a. Photosynthesis Photo (light) synthesis (creating, making) -Light is the source of energy for the production of food. -“Who?” ex. Plants
Slide 5 - Autotrophs:
Slide 6 - 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
Slide 7 - Photosynthesis Chemosynthesis
Slide 8 - Chemosynthetic nutrition - Deep sea tube worms and arthropod
Slide 9 - So far….. Nutrition: Autotrophic: a. photosynthesis b. chemosynthesis Autotrophs – Organisms that can make their own food by photosynthesis or chemosynthesis.
Slide 10 - 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)
Slide 11 - Examples of heterotrophs paramecium
Slide 12 - More heterotrophs….
Slide 13 - Obviously, a _________________ . heterotroph!
Slide 14 - Are you a heterotroph? Summary: 2 types of nutrition on Earth: 1. Autotrophic - photosynthesis - chemosynthesis 2. Heterotrophic
Slide 15 - 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.