Prelim 1 Review Guide

Prelim 1 Review Guide - BioG 1109 Prelim I Study Guide to...

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BioG 1109 Prelim I Study Guide to help you prepare for the Prelim Prelim #1 covers FROM THE START OF THE SEMESTER through 18.14 (echinoderms and introduction to chordates). Refer to the Lecture Notes & ppt slides we have on Blackboard, and text book to master the following: 1. READ assigned Introductory Chapter Essays You WILL see questions from these on the prelim. 2. Know the levels of organization used in Biology [e.g. see Figure 1.1 in your text] - Biosphere Ecosystem Community Population Organism Organ System Organ Tissue Cell Organelle Molecule Atom How does the position in the hierarchy relate to size & abundance of each level? - As you move from Atom to Biosphere, size increases - As you move from Biosphere to Atom, abundance increases 3. Know how to apply the proper use of each of the following terms that help to define the scope of biology. (For example, you may be given an example where you are asked which of these terms would be used to “define” the case presented) Biosphere- Consists of all the environments on Earth that support life. Most regions of land, bodies of water, and the lower atmosphere. Ecosystem - All of the organisms living in a particular area, as well as the nonliving, physical components of the environment with which the organisms interact, such as air, water, soil, and sunlight. o Abiotic components - Nonliving o Biotic components- Living Community - Entire array of organisms inhabiting an ecosystem Populations - An interacting group of individuals of one species in a geographically located sense. Organism - an individual living thing 4. Understand the application of Inductive Reasoning versus Deductive Reasoning What different Scientific Methods were presented in class (e.g. Hypothesis Testing, what else?) Know what they are and how they are practiced. - Discovery Science- Describes life at its many levels. Leads to important conclusions based on inductive reasoning- general principles from specific observations. - Hypothesis Based Science- Involves asking questions and seeking answers. Uses deductive reasoning- reasoning flows from general to specific. What is a control & why is it used? What is the difference between a control group & a test group? - A controlled experiment compares an experimental group with a control group (placebo/ constant). These groups differ only in the one factor the experiment is designed to test. It is difficult to draw a conclusion from an experiment that is not controlled because you don’t know if the outcome is due to the variable you are testing, or some other variable. 1
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BioG 1109 Prelim I 5. What is Charles Darwin’s theory of evolution by Natural Selection ~ know how & why Descent with Modification and Natural Selection relate to this theory. -
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This note was uploaded on 04/04/2009 for the course BIO G 109 taught by Professor Winkler,d. during the Fall '06 term at Cornell.

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Prelim 1 Review Guide - BioG 1109 Prelim I Study Guide to...

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