Chapters 1-3

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Mind Map by laurachavarry, updated more than 1 year ago
laurachavarry
Created by laurachavarry over 5 years ago
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a mind map covering chapters 1-3 in the Campbell Biology textbook

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Chapters 1-3
1 Scientific Method
1.1 a series of steps/process where a question is asked, an experiment is done, and an answer is found. Steps include: observation, question, hypothesis, prediction, experiment, results, and conclusion.
2 Water
2.1 water molecules
2.1.1 molecules stay close together due to hydrogen bonding. many molecules are linked by multiple hydrogen bonds (cohesion)
2.2 specific heat
2.2.1 the amount of heat that must be absorbed or lost for 1g of that substance to change its temperature by 1'C. Water has a high specific heat.
2.3 hydrophobic substances
2.3.1 substances that are nonionic and nonpolar, they repel water (ex: oil and water)
2.4 pH in the body
2.4.1 there are many pH's in the body: saliva and urine are 6, human blood and tears are 7, and inside of the small intestine is 8
3 Lab Safety
3.1 lab coats have to be worn in order to prevent clothes from being stained
3.2 goggles have to be worn to protect the eyes from substances and sharp objects
3.3 students should listen to their teacher for directions in order to prevent accidents.
4 Elements
4.1 Trace elements
4.1.1 elements that are required by an organism in only small quantities.
4.2 Atomic Mass
4.2.1 the sum of the protons and neutrons in the nucleus of an atom, it is an approximation of the total mass of an atom
4.3 Essential elements
4.3.1 elements that an organism needs to live a healthy life and reproduce
5 Nature
5.1 Natural Selection
5.1.1 a theory created by Charles Darwin that proposed that individuals with inherited traits that are better suited to their environment are more likely to survive and reproduce than less well- suited individuals
5.2 Classification
5.2.1 Biologists identify and classify species as they are found. There are 8 levels of classification: domain, kingdom, phylum, class, order, family, genus, and species
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