BIOL 1511 Lecture Notes - Lecture 13: Nitrogen Fixation, Diatomic Molecule, Mycorrhiza

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23 Sep 2017
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Micronutrients: nutrients required in smaller or trace amounts (micronutrients) require various metallic elements in small amounts. Improves oil structure and provides plants with water and minerals. Inorganic materials consist of rock, slowly broken down into smaller particles: food. Insectivorous plants: has specialized leaves to attract and digest insects, venus flytrap- leaves have needles/ spines nectar secretes by plant attracts prey. Prey touches sensory hairs, leaf closes fluids and enzymes break down prey and minerals are absorbed by leaf. Animal nutritional requirements (human focus: organic precursors, carbohydrates or sugars are primary source of organic carbons in animal body, digestion- digestible carbs are broken fown into glucose and used to provide energy through metabolic pathways. Invertebrate digestive systems: gastrovascular cavity- found in organism with only one opening for digestion, platyhelminthes, ctenophore, and cnidaria use this digestive system, typically blind tube or cavity with only one openinh (mouth) which also serves as anus.

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