Unit 5, Lesson 5.2- Biotic and Abiotic Components

Unit 5, Lesson 5.2- Biotic and Abiotic Components

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  Biotic and Abiotic Components UNITFIVE, LESSON 5.2 BY MARGIELENE D. JUDAN
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  LESSON OUTLINE Biotic Components Autotrophs Heterotrophs 1.Consumers 2. Decomposers Abiotic Components Conserving Wildlife
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  Components of theEcosystem Biotic Components – living things Abiotic Components – non-living things
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  SUMMARY FLOWCHART (Copy!) Ecosystem BioticAbiotic Autotrophs Heterotrophs Photosynthetic Chemosynthetic Consumer Decomposer Herbivores Carnivores Omnivores Scavengers Detritivores Saprotrophs Soil Sunlight Water Air Temperature Inorganic Nutrients etc.
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  BIOTIC COMPONENTS Composed of: Autotrophs– produce their own food by photosynthesis or chemosynthesis (ex. plants, phytoplankton) Heterotrophs – feed on autotrophs for food; cannot produce their own food (ex. animals)
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  Autotrophs produce their ownfood by photosynthesis or chemosynthesis Can be classified as: 1. Photosynthetic – use sunlight to make food (glucose) 2. Chemosynthetic – use inorganic substances to make food
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  Heterotrophs Feed on autotrophs forfood; cannot produce their own food Can be a consumer or decomposer
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  Heterotrophs: Consumers They feedfrom producers or other organisms All animals and fungi are heterotrophs. Can be classified as: 1. Herbivores – eat only plants (producers) 2. Carnivores – eat only animals (herbivores, omnivores, carnivores) 3. Omnivores – eat both plants and animals (producers, herbivores, omnivores, carnivores)
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  Heterotrophs: Decomposers They feedby eating dead organisms. Speed up decomposition and return the nutrients to the soil Can be classified as: 1. Scavengers – primary source of food are the dead bodies of animals (ex. vultures, hyenas) 2. Detritivores – usu. eat decaying bodies (ex. beetles, ants, earthworms) 3. Saprotrophs – absorb nutrients from decaying bodies (ex. fungi, mushrooms)
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  ABIOTIC COMPONENTS Non-living factorsthat living things need to survive Examples: Soil Sunlight Water Air Temperature Inorganic Nutrients
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  CONSERVING WILDLIFE We needother living things in order to survive because we are all interrelated with each other.
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  Some Activities ThatHarm Wildlife Hunting and fishing Use of pesticides and herbicides Deforestation Kaingin Cutting trees Burning trashes
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  Assignment (1 wholesheet) Lab 2.2 Answer “Check Your Understanding”, p. 183. # 1 only. Minimum of 3 paragraphs. (minimum of 3 sentences per paragraph) First paragraph – introduction (brief overview) Body – contains the details arranged logically Last paragraph – conclusion (summary and recommendations) Rubric (15 pts) next slide
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  CRITERIA 4 32 1 Description (D) Description is complete and clear Description is incomplete but clear Description is incomplete and unclear Very short or no description Presentation (P) Presentation shows originality and creativity. Presentation shows some originality and creativity. Shows some attempt of originality and creativity Presentation is patterned to other person’s idea Organization of ideas (O) Information is clear and logical Most information is clear and logical Some information are clear and logical Information is unclear and illogical Mechanics (M) Minimum mistakes in grammar and spelling Some mistakes in grammar and spelling Mostly incorrect grammar and spelling
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  Sources: Science Links 7