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BIO 101 - Review Questions - Exam 1 Answered

BIO 101 - Review Questions - Exam 1 Answered - BIO 101...

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BIO 101: General Biology 1 Spring 2009 Study Questions for Exam #1: Chapters 1-3 and Ecosystem Introduction Chapter 1: Introduction: The Scientific Study of Life tions 1.1 – 1.8 Terms: 1. Discovery Science Verifiable observations and measurements Describe life in a variety of ways Sometimes called “ descriptive science 2. Scientific Method (Hypothesis-driven science) Formal process of inquiry Series of steps Begins with observations (discovery science) Ask questions and seek answers Formulate a hypothesis 3. Scientific names (binomial nomenclature) Genius, species 4. The three domains, and 4 kingdoms in Domain Eukarya Domain Bacteria – Prokaryotic - Unicellular, with no nucleus - Some cause disease Domain Archaea – Prokaryotic – Unicellular - Do not cause disease - Some can do photosynthesis Domain Eukarya - Protists Plantae Fungi Animalia 5. Concepts: 1. Be able to describe the 6 characteristics of life given in class Living organisms grow and develop - Growth – increase in size and number - Development – change during life cycle Living organisms reproduce All living organisms are composed of cells - Unicellular – one cell - Multicellular – many cells that do different things Organisms use and transform energy Convert energy from another source Plants – from the Sun (photosynthesis) Animals – from the food we eat Organisms interact with one another and their environment Organisms have movement (visible movement OR within the cell) 2. Be able to describe the what scientists mean by the following terms: hypothesis, fact, law and theory - Hypothesis is based on observations
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- Fact - Law, descriptive generalization about how some aspect of the natural world behaves under stated circumstances - A well-substantiated explanation of some aspect of the natural that can incorporate facts, laws, inferences and tested hypothesis 3. What is meant by the phrase “science is not set in stone?” Because we keep learning more things, science changings. 4. How is science cumulative and progressive, and self-correcting? Cumulative, means adding to it Progressive , 5. The difference between correlation and causation. Correlation An apparent relationship between variables \ Statistical Evidence Causation An established relationship between variables What causes to the problem 6. How energy flows and chemicals cycle in a system Energy Flows: Almost all the energy on Earth comes from the Sun Chemicals cycle: Chemicals are used over and over again Constant recycling of chemical nutrients Chapters 34, 36-37: Introduction to Ecosystems Pages/Sections given for each topic below Terms: 1. Ecosystems (Chapter 34, p. 684; Section 34.1) It is all living things and non living things 2.
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BIO 101 - Review Questions - Exam 1 Answered - BIO 101...

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