ECU BIOL 1100 - Exam 1 Study Guide (6 pages)

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Exam 1 Study Guide



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Exam 1 Study Guide

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an overview on chapter 1,2,3,4,6,7


Pages:
6
Type:
Study Guide
School:
East Carolina University
Course:
Biol 1100 - Principles of Biology
Principles of Biology Documents

Unformatted text preview:

BIOL 1000 1nd Edition Exam 1 Study Guide Chapters 1 4 6 7 Chapter 1 Biology is derived from the Greek word bios meaning life and logia meaning study of Biology covers all living things botany plants zoology animals microbiology microorganisms Eukaryotic cells have a membrane bound nucleus plants animals fungus prokaryotic cells don t have a membrane bound nucleus Bacteria Organisms are life forms and are considered alive because they acquire and use energy are made up of one or more cells process information and capable of replication and are a product of evolution science is about expressing hypotheses and finding proof that supports or clashes with those hypotheses Scientific Method Hypothesis Testing 1 Make an observation 2 Ask how why when 3 State the hypothesis a testable statement to explain a set of observations 4 Make predictions describes a measurable or observable result that must be correct if a hypothesis is valid 5 Make an experiment that will allow you to test those predictions experiment allow researchers to test the effect of a single well defined factor on a particular phenomenon a theory is an explanation for a general class of phenomena or observations that are supported by a wide body of evidence pattern something that can occur in the natural world process responsible for creating the pattern The Cell Theory In 1665 Robert Hooke and Anton van Leeukvenhoek discovered cells a cell is an organized compartment bounded by a plasma membrane and contains concentrated chemicals in an aqueous solution a cell theory states that all organisms are made of cells pattern and that all cells come from preexisting cells process The theory of Evolution by Natural Selection in 1858 Charles Darwin and Alfred Russel Wallace made two claims regarding the natural world all species are related by a common ancestry pattern and descent with modification process evolution is a change in the characteristics of a population over time natural selection explains how evolution



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