BIO 182 ASU Exam 1 (Prof. Weaver) Already Graded A+
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BIO 182 ASU
BIO 182 ASU Exam 1 (Prof. Weaver) Already Graded A+
Key Point 1
Even the most desperate organisms share some features, suggesting that the single, nine random process generated diversity.
True or False #1: biodiversity on earth will likely decrease in the near future.
True! Fingerprints of hu...
BIO 182 ASU Exam 1 (Prof. Weaver) Already Graded A+
Key Point 1
Even the most desperate organisms share some features, suggesting that the single,
nine random process generated diversity.
True or False #1: biodiversity on earth will likely decrease in the near future.
True! Fingerprints of human activity, spread of an invasive species, Rapid change and
global climate, habitat destruction, Deforestation
What are the Three World Views?
1. Natural Evolution - Evolution by natural process2. Theistic Evolution - Evolution
guided by God3. Creation - Species created by God
True or False #3: Scientists believe in Evolution even though they currently lack
evidence for the theory.
False! Based on know mechanisms: Natural Selection, Mutation, and Genetic Drift
Key Point 2
Biologists accept evolutionary theory because its predictions match observations.
True or False #4: Extreme temperatures of 2015 are sufficient evidence to
conclude that Earth is warming.
False! Not enough data to show a trend
Key Point 3
When something varies over space and time, one must compare sufficient samples to
quantify effects accurately.
What does Replicating Observations do?
Increases reliability of pattern.
What does Controling Conditions do?
Isolates effects of certain factors.
What does randomizing subjects do?
Decreases risk of bias from uncontrolled factors.
What is Creationism and Catastrophism?
All species created in six days, Earth is 6,000 years old, species fixed, extinctions from
catastrophe. Leading Biologist/ Paleontologist who championed this
science/theory/belief Georges Cuvier (1769-1832).
True or False #5: Darwin's worldview when leaving England would best be
described as Creationism.
True! Based on the fact that Creationism was the dominant world view at his place and
time and that he was studying for religious life.
What did Charles Lyell contribute to science in the context of Darwinian
Evolution?
Charles Lyell believed in the old earth ideologies and slow and gradual change. (Old
Earth theory - billions and billions of years old)
What do Charles Darwin, Charles Lyell, and Alfred Wallace have in common?
They all believed in natural selection and came up with theories about it.
Key Point 4
Darwin abandoned a theory of Creationism for a theory of evolution that better
explained his observations about life.
, True or False #6: Darwin could not have proposed natural selection without
abandoning the idea of creation.
False. Theistic Evolution could have been his world view.
What book did Darwin write?
On the Origin of Species
What are phenotypes?
physical traits
True or False #7: Natural Selection occurs whenever some individuals reproduce
more than others.
False! Not the only element that you need. The offspring has to be similar to parents
(heritable).
What are the necessary conditions of Natural Selection?
1. Heritable Variation
2. Differences in Reproduction
Key Point 5
Natural Selection occurs whenever heritable phenotypes cause some individuals to
reproduce more than others.
True or False #8: Organisms evolve by natural selection.
False! Not organism but the population.
True or False: Unlike Wallace, Darwin did not believe that natural selection
required variation among individuals.
False
True or False: Wallace used induction to develop a model of evolution by natural
selection.
True
True or False: Unlike Wallace, Darwin's conceived his theory of evolution without
observing species living on islands.
False
True or False: Both Darwin and Wallace must have assumed that differences
among individuals were passed onto their offspring.
True
True or False: Similar to Wallace, Darwin conceived a theory of evolution by
natural selection while voyaging around the world.
False
True or False: Both Wallace and Darwin adopted a worldview described as either
naturalistic evolution or theistic evolution.
True
True or False #8: Artificial selection requires heritable variation in a trait.
True!
What did Darwin breed to display artificial selection?
Pigeons.
Key Point 6
Artificial Selection confirms the potential for populations to evolve through natural
selection.
True or False #9: Populations stopped evolving after twenty-five generations,
likely because no genetic variation in lethal temperature remained.
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