Lecture 18, Ch. 41

Lecture 18, Ch. 41 - Lecture #18 Date ______ Chapter 41 ~...

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Unformatted text preview: Lecture #18 Date ______ Chapter 41 ~ Animal Nutrition Nutritional requirements Undernourishment : caloric deficiency Overnourishment (obesity): excessive food intake Malnourishment : essential nutrient deficiency Essential nutrients : materials that must be obtained in preassembled form Essential amino acids : the 8 amino acids that must be obtained in the diet Essential fatty acids : unsaturated fatty acids Vitamins : organic coenzymes Minerals : inorganic cofactors Food types/feeding mechanisms Opportunistic Herbivore : eat autotrophs Carnivore : eat other animals Omnivore : both Feeding Adaptations Suspension-feeders : sift food from water (baleen whale) Substrate-feeders : live in or on their food (leaf miner) (earthworm: deposit-feeder ) Fluid-feeders : suck fluids from a host (mosquito) Bulk-feeders : eat large pieces of food (most animals) Overview of food processing 1-Ingestion : act of eating 2-Digestion...
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Lecture 18, Ch. 41 - Lecture #18 Date ______ Chapter 41 ~...

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