BIO 101 Chapter 1
BIO 101 Chapter 1 BIO 101
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This 3 page Class Notes was uploaded by Natalie Berry on Sunday September 11, 2016. The Class Notes belongs to BIO 101 at Missouri State University taught by Kyoungtae Kim in Fall 2016. Since its upload, it has received 115 views. For similar materials see Biology in Your World in Science at Missouri State University.
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Date Created: 09/11/16
Key: Light Blue = main idea Purple = important parts of the main idea Green = examples Orange = key terms Pink = the definition of the key term Red = especially important Bio 101: Part 1 What is science? Science: a body of knowledge about the natural world Theory: a general set of principles supported by evidence that explains some aspect of nature Ex. The Big Bang Theory (especially important theory for biology) Theories are more valued than scientific fact because it has more explanatory power compared to a single piece of information Theories are never finally proven; it’s just believed to be true until disproven Scientific method: a means of coming to understand the natural world through observation, questioning, and experimenting observation: the natural world is observed to work a certain way. Step 2 Questioning follows : what, why, or how? Step 3 Hypotheses are proposed to answer the question Step 4 An experiment is conducted for the most promising hypothesis The nature of Biology Biology: study of life Life is defined by these characteristics Can take in and use energy Can retain an internal environment Composed of one or more DNA cells Can respond to their environment Process info in DNA which allows function Key: Light Blue = main idea Purple = important parts of the main idea Green = examples Orange = key terms Pink = the definition of the key term Red = especially important Can reproduce through codes in DNA Evolved from living things There are exceptions to the rules Ex. The majority of female ants/honeybees are sterile; they cannot reproduce Living things are organized in a hierarchal manner: organs organ Atoms systems molecules tissues organism Ecosyste m organelle cells populatio communit s n y Special Qualities of Biology Biology is traced back to Ancient Greece Ex. Hippocrates (Hippocratic Oath) + Galen (medicine) + Aristotle (natural history) Life sciences: a set of disciplines that focus on varying aspects of the living world Ex. Biology, veterinary medicine, forestry Biology is a young science; it became its own science in the 19 century It’s concerned with all rules that govern all species Concerned less with the universal rules and especially doesn’t care about anything supernatural Evolution is the most important thread in biology because it has shaped every living thing on Earth Evolution: gradual modification of the population of living things over time; can result in new species Key: Light Blue = main idea Purple = important parts of the main idea Green = examples Orange = key terms Pink = the definition of the key term Red = especially important