Post on 03-Jan-2016
So This is Life
Evolutionary Thoughts
Life’s Long Story
Oh Yeah It’s Dead
The Human Drama Potpourri
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ChuckWill it Live or Will it Die?
Smart Guys
CluesDid You Read It?
Did You See It?
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Final Jeopardy
Phylogeny
Final Jeopardy
What are Bacteria, Archaea and Eucarya
The three main categories on the phylogenetic tree of life
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What is Supernaturalism?
This idea holds that “God” created Life
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What is Vitalism?
The theory that life is the result of a force like gravity
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What is the theory of Panspermia?
The theory that life is introduced to the Earth by
meteorite impacts
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What is the heterotroph Hypothesis or primordial soup theory?
The theory that life arises from the build up of organic
compounds in the ocean
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Who was A. I. Oparin or J. B. S. Haldane?
Proposed the heterotroph hypothesis
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What is the simplest definition of evolution?
Change
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What is a change in gene frequencies in a population over time?
The modern definition of evolution
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What is Darwin’s definition of evolution?
Descent with modifications
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What is a fact of evolution?
Animals alive today that were not in the past
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What is Macroevolution?
Microevolutionary change that builds up over time
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What is the length of time life has been evolving on Earth?
3.5 billion years
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What was the first form of life on Earth?
Bacteria-like organisms
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What is process of photosynthesis?
This increases the rate of evolution by releasing
oxygen into the atmosphere
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When did dinosaurs go extinct?
65 million years ago
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What is life moving out onto land?
This event sped up the rate of evolution even after the
evolution of sex
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What are trilobites?
Very old arthropods, extinct and related to insects and
crabs
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What are Ammonites?
Related to squids and considered to be the fish of
the oceans before fish
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What is the Cretaceous?
Time period most associated with dinosaurs
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What is stasis?
Fossils don’t actually tell us about change they really
illustrate this idea
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What is amber?
Compressed fossilized tree sap that often contains insects
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When did modern humans arise?
200,000 years ago
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What is binocular vision?
Trait inherited from our tree dwelling ancestors that allows us to see in three
dimensions
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What were Neanderthals?
This member of the Genus Homo lived at the same time
as us but died out about 25,000 years ago
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What is “LUCY”?
The most famous Australopithecine
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What is Homo antecessor?
Our most recent ancestor of the following: Homo habilis,
Homo neanderthalensis, Paranthropus robustus,
Homo antecessor
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What is extinction?
Common in evolutionary history and always associated with environmental change
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What is artificial selection?
An example of this is the multitude of dog breeds
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What is the Precambrian?
The oldest geologic time period
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What are the characteristics of a good theory?
Broad, testable, well supported and useful
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What is contingency?
The idea that events in the past effect events in the
future
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What is the “Origin of Species”?
Published in 1859
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What are the years of Darwin’s voyage on the Beagle?
1831-1835
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What is natural selection?
According to Darwin this is the mechanism by which
organisms evolve
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What are the Galapagos islands?
Darwin visited these now famous islands near Ecuador
in 1832
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What is gradualism?
Darwin’s idea concerning the speed at which evolution
happens
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Who is Charles Lyell?
He helped Darwin by describing the Earth as a very
old place
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Who was Thomas Malthus?
He helped Darwin by describing a struggle for
existence resulting from over-population
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What is artificial selection?
Examples of this phenomenon include animal
and plant breeding
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What is the theory of evolution by natural selection
Characteristics of this theory include: over-production of
offspring and variation in offspring
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What is variation?
The most important characteristic of organisms Darwin made on his trip on
the Beagle
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Who was Aristotle?
The scientist that developed the idea of the “Great Chain
of Being”
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Who was Jean Baptiste Lamarck?
A scientist that thought organisms evolved because
they saw the “need “ to do so
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Who were Niles Eldridge and Stephen Gould?
Scientists that developed the theory of evolution by punctuated equilibrium
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Who were Alfred Hershey and Martha Chase?
They developed the theory that all life has DNA as its
genetic material
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Who was Anaximander?
He claimed back in about 600BC that life originally
came from the sea
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What are fossils?
Dead and most commonly preserved in stone
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What are homologous structures
Bird wing, human arm,
whale fin
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What is biochemical evidence
All life forms have DNA and make proteins
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What is embryology
The zygotes of fish and reptiles and mammals
resemble eachother
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What is microevolution?
Small scale changes that happen in organisms over a
relatively short period of time
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What is a virus?
This may be the origin of the eukaryotic nucleus
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What is the jaw?
This may have developed as a result of fish trying to
improve their ability to breathe
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Who was Fitzroy
The captain of the
H. M. S. Beagle
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Pikaia
The earliest known member of the Chordata phylum
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Gunter Wachtershauser
He developed the “Open Faced Sandwich” theory
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Who is Bill Nye?
The “science guy”
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Hat is the “Planet of the Apes”
A movie containing a scene of a destroyed statue of
liberty
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What are planetesimals?
Structures that are thought to have formed the planets
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What are meteorite collisions with the Earth?
These may have caused many extinctions including that of
the dinosaurs
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Who is David Attenborough?
The host of the
“Life on Earth”
series
Daily Double
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question
Daily Double
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Daily Double
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The Jeopardy champion!