10-21-14 Ms. Stephenson AP Biology Autotrophs vs. Heterotrophs Autotrophic organisms are called “producers” because they create their own food. The word “autotrophic” in Greek means “self-feeding”. Most autotrophs are green plants‚ algae‚ and some bacteria. A small number of bacteria‚ including the ancient Archaea group are capable of generating food from sulfur or other chemical reactions‚ but the majority of autotrophs rely on sunlight to carry out a process called photosynthesis
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Heterotrophs are any organism that consumes organic carbon and energy that is fixed by primary producers. This unit discussed an extremely important pyramid‚ somewhat like a food chain that categorizes heterotrophs. 1st level of the pyramid are herbivores‚ 2nd level are carnivores. Eukaryotes are single celled or multi-celled‚ recapped in this unit‚ the primary consumers are the herbivores‚ the secondary consumers are the herbivore consumers‚ and the tertiary consumers are the top predators. The
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First Order Heterotroph | Snowshoe Rabbit | D. First Order Heterotroph | Eagle | B. Third Order Heterotroph | Human | B. Third Order Heterotroph | Snowy Owl | D. First Order Heterotroph | Arctic Wolf | B. Third Order Heterotroph | | | | | | Question 10 3.7 out of 3.7 points | | | You are in an area where there are snowy owl‚ wolves and caribou
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Table 1a. Biotic components of artificial ecosystem. Biotic Component Habit or Type Number Distribution pattern Physical factors affecting organism Autotrophs Plants Ixora Capsicum frutescens Ananas comosus Dracaena reflexa Basella rubra Papaya Allium cepa Bougainvillea Ocimum basilicum Allium sativum Tarragon Sweet potato Moringa oleifera Taro Pandan Anethum graveolens Cranberry Phaseolus lunatus Plectranthus scutellarioides Curcuma longa shrub herb herb shrub herb tree herb vine herb herb
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biology terms…give examples! If you can give examples and/or draw pictures of the following terms you will certainly understand their meaning. 1. Species 2. Population 3. Community 4. Ecosystem 5. Biome 6. Biosphere 7. Autotroph 8. Photosynthesis 9. Heterotroph 10. Omnivore 11. Herbivore 12. Carnivore 13. Detritivore 14. Decomposer 15. Food chain/web 16. Ecological pyramids (energy and numbers) 17. Biogeochemical cycles 18. Symbiosis 19. Mutualism 20. Commensalism 21. Parasitism
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aquifer/ground water h. Biota waste i. Autotrophs j. Heterotrophs k. light energy 2. Carbon/Oxygen cycle On the cycle diagram label the following: a. Carbon Dioxide (CO2) b. Carbonate (CO3)2- c. Oxygen (O2) d. Fossil Fuels e. Photosynthesis f. Respiration g. Combustion h. Decomposition i. Biota waste j. Methane (CH4) k. Autotrophs l. Heterotrophs 3. Nitrogen cycle On the cycle
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are mostly multicellular eukaryotes that reproduce both sexually and asexually. Fungi are also heterotrophs‚ meaning they gain energy from the consumption of other organisms. Organism three is a Daphnia which is a common water flea with a transparent body. Daphnias are apart of the Animalia kingdom‚ making it eukarya. Organisms in the kingdom Animalia are also multicellular eukaryotes that are heterotrophs and reproduce sexually. Organism four is a paramecium which is a single-celled eukaryote with
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Cellular Respiration vs. Photosynthesis To obtain energy needed for life‚ organisms depend on the processes of cellular respiration and photosynthesis. Though they share the same function of changing energy from one form to another‚ there are many differences between cellular respiration and photosynthesis in regard to the input and output molecules‚ energetics‚ cellular location‚ and ecological importance. The chemical equations of cellular respiration and photosynthesis are opposites. The
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several theories that scientists have proposed in trying to determine the origins of life on Earth. Some theorize that life derived from an extraterrestrial source‚ others believe autotrophs were the source‚ and other groups hypothesizes that heterotrophs were the origin of life on Earth. Currently‚ the heterotroph hypothesis is the most accepted theory of how life started on Earth‚ but there are proponents of the other theories‚ as well. It was put forward that there was actually an
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Short Answer 1. How do heterotrophs obtain energy? 2. What is ATP‚ and when is energy released from it? 3. Write the overall equation for photosynthesis in both symbols and words. 4. Photosystems I and II are both located in the thylakoid membrane. What advantage does their proximity provide? 5. What does the Calvin cycle do? 6. What is the difference between an autotroph and a heterotroph? Give an example of each type of organism. 7. Explain how heterotrophs get their energy from the
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