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Bio 8-24

QuestionAnswer
Who coined the term suvival of the fitest? Darwin
Who proposed natural selection after Darwin? Wallace
What ship was Darwin on? HMS Beagle
In what book did Darwin propose natural selection? On the Origin of species by means of natural selection
How old do evolutionists believe the earth to be? 4.5 billion yrs
What 4 things do evolutionists say suport their theory? 1. Age of earth 2. Fossil record 3. Molecular biology 4. Comparative anatomy
What is Molecular Biology? DNA of similar organisms are closer in evolutionary tree
What is comparative Anatomy? Structure of similar organisms are closer together
What is matter? Anything that has mass and takes up space
What is matter composed of? atoms
Whose definition of atom do we currently use? Bohr
What 3 things make up an atom? What harges do they have? Proton +, neutron(no charge), electron-
What is the aproximate mass of protons, neutrons, and electrons? Protons and neutrons approx 1 dalton electrons are egligable
What is the definition of an element? Substance that cannot be broken down by ordinary chemical means
What are elements made up of? Atoms with the same number of protons
What is an Isotope? Posesses a different number of neutrons
What is the decay rate of isotopes called? Half life
What is the key to biology? Electrons
What is the number of electrons typically equal to? Number of protons
What is oxidation? When an atom loses an electron
What is reduction? When an atom gains an electron
Created by: jessie4393
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