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Biology x27 s test guide for 20 partial exam

Biology ? s Test Guide for Partial Exam I Read the next text and answer the next questions Mr Cruz is a big biology teacher One day he observed that a student was decreasing in his grades and slept a lot during his class He though that it could be happen by the lack of sleep because when he was young like us he lived the same story so he proposed that his de ?cient of concentration was due by the lack of sleep He tested his hypothesis living the same situation How During the winter holidays he and his wife made the experiment Mr Cruz slept just hours during a week His wife Mrs Cruz slept in a normally period At ?nal of this period they with the help of a friend contested an exam and the results of it were Mr Cruz Mrs Cruz Finally he concluded that the lack of sleep is the principal cause in the lower of the students ? performance Observation Inference Hypothesis In the controlled experiment identify ? a Dependent variable b Independent variable c Controlled variable Conclusion II Contest the following questions What is science What is the scienti ?c methodology Where we can use it The grass grew up cm This is a data The color of her eyes are black because is a dominant character This is a data Why the science technology and society have a link in the search and development of new experiments Biology I ?? Miller Levine Page CBiology ? s Test Guide for Partial Exam Complete the letters with the characteristics of the scientists a C b O c S d C e Oh What is peer review How can we use it Does an inference is a bias Why Write the characteristics of the living things by this acronym a C b H c E d M e G f U g R h S We have a speci ?c metric system with a decimal base Convert the next measurements into other ones a mg into kg b hm into dm Mention a goal of the science and a limitation of it a Goal b Limitation Key terms a Stimulus b Di ?erence between sexual and asexual reproduction c Metabolism III Make a Venn diagram about the levels of organization in the biosphere using all the members around you and staring with me as a species Biology I ?? Miller Levine Page CBiology ? s Test Guide for Partial Exam Me IV Contest or complete the next questions The energy is the principal component in the food chain and it when the trophic levels increase Based on the food web of the page a De ?ne food chain De ?ne food web Show a food chain of this food web De ?ne the terms and give at least examples This means that the term doesn ? t need examples a Biosphere b Abiotic Factors c Biotic Factors d Autotrophs e Heterotrophs f Methods used