beneficial that many predatory fish have larval and juvenile stages that feed at a low trophic level‚ while the adults feed at a tertiary or quaternary trophic level? It is beneficial because they don’t have to compete for the same foods. Adults and juvenile predatory fish are separated so the juvenile fish don’t intrude which allows juveniles to survive to the adult stage. Not all adults feed at a high trophic level. Whale sharks (50 ft) are the largest fish and feed on plankton and small fish
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enviJairah DC. Ocampo Environmental Science BSIT I- C Sir Allan Pleno Critical Thinking Questions 2. Explain the function of trophic levels in an ecosystem. ANSWER : Exactly‚ A food chain cannot start with a consumer. What would it consume if there were no producer before it? SOURCE : www. Yahoo. Com Jairah DC. Ocampo Environmental Science BSIT I- C Sir Allan Pleno Critical Thinking Questions 3. Why is there always a loss of chemical energy with
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organisms and the environment ➢ Abiotic factors –temperature and water ➢ Microclimate – a classification at the small scale variation ➢ Dispersal – movement away fro origin ➢ Macroclimate – a classification at the global and regional level ➢ Parasitism – organisms like bacteria that enter a host‚ living organism where a parasite may live ➢ Competing – Two species compete with another species for resources such as food‚ water‚ or territory ➢ Biomes – major types of ecosystems
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CJointed appendages absent.................................specimen D A.Specimen A B.Specimen B C.Specimen C D.Specimen D 7.Which of the following ecological units includes abiotic factors? A.A community B.An ecosystem C.A population D.A trophic level 8.In the
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forests of the tiaga‚ and so they have a longer growing season. This gives the plants more time to produce food‚ and the forest yields about 6000 Kilocalories per square meter per year for animals to eat. These primary producers form the first trophic level. The trees in the deciduous forest shed their leaves in winter. This prevents their branches from being broken by the weight of the snow‚ but also means that they have to grow leaves anew each spring. The trees and shrubs produce flowers‚ seeds
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producer‚ consumers – tertiary‚ quairtinary‚ primary‚ secondary‚ and the role of the decomposer) Would bacteria be considered a decomposer? What happens to the 90% of energy that does not transfer to the next trophic level in a food chain? What amount of energy gets transferred to each level of the food chain as you move up it? Know how to choose organism types in a food chain EX: phytoplankton = primary
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w w w e tr .X m eP e ap UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Subsidiary Level and Advanced Level .c rs om *0485738200* BIOLOGY Paper 2 Structured Questions AS Candidates answer on the Question Paper. Additional Materials: Electronic calculator Ruler (cm/mm) 9700/21 October/November 2009 1 hour 15 minutes READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name in the spaces provided at the top of this
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Module 04 Review Phytoplankton (Lessons 04.02‚ 04.03‚ 04.04) * What are phytoplankton? * Plankton consisting of microscopic plants. * Know that the three adaptations that allow phytoplankton to float are: cavities in the center of their cells‚ cells contain oils and fats‚ and spines around the cavities * Are phytoplankton the base of the oceanic food chain? * Yes * What things do phytoplankton need to survive? * Light‚ minerals‚ and precursors for photosynthesis
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Introduction Last week‚ my Biology class and I went down to the Port Kembla Rock Platform. While we were there we surveyed five different sectors about the rock platform and recorded them‚ these included: 1. Surveying the abiotic characteristics of the rock platform 2. Observing the abundance and distribution of the Black Periwinkle (Nerita Atramentosa) 3. Observing the feeding relationships and food webs of the organisms 4. Finding the adaption’s of organisms 5. And Observing the human impacts
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ENVS 105 Question Set Section #1 Fall 2014 Answer the following questions for your homework. Work on the questions after we have covered the topic in class. Bring any questions to class or office hours. These questions will help you on the exam. If you do not do them‚ the points will add up and hurt your grade. To get credit‚ you must: Answer all questions Answer all parts of each question Type your answers Do complete and conscientious work Write out‚ number‚ and letter all questions Use regular
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