Monday April 21
• Essential Question: What is necessary for evolution to occur
• Today Jeopardy Review
• Any questions on the Study Guide. Its Due tomorrow 4/22
Evolution!
EvolutionNatural
SelectionAdaptation
Evidence for
Evolution Misc.
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FJ
Evolution $100
Question: Evolution happens to __________ not __________
Answer: Populations not individuals
Evolution $200
Question: What is the definition of evolution
Answer: A theory (explanation) supported by evidence for how populations change over time
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Question: Who is the father of Evolution?
Answer: Charles Darwin
Evolution
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Question: Evolution can only occur if there is differences in
the population known as ______ _______.
Answer: Genetic Variety
Evolution
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Question: The more alike two different organisms are, the more recently they shared a __________ ___________.
Answer: Common Ancestor
Evolution
Natural Selection
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Question: What is the definition of Natural Selection?
Answer: The survival and reproduction of the organisms that are
genetically best fit for their environment
Natural Selection
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Question: The variety of dog and cat breeds that we have
today are a product of _________ _____________.
Answer: Artificial Breeding (Selective Breeding)
Daily Double
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Question: What are the name of the islands where Darwin studied
and gathered much of his evidence for Natural Selection?
Answer: The Galapagos Islands
Natural Selection
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Question: If tall individuals were favored in a population
we would have an example for this type of selection
Answer: Directional selection
Natural Selection
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Question: A little child catches a fly and pulls its wings off. The fly actually lives a better life, but does not pass its lack of wings on to its
offspring because the loss of wings is an _________ _______.
Answer: Acquired Trait
Natural Selection
Adaptations $100
Question: What adaptations are shown in the picture?
Answer: Wings allowing for flight
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Question: A variation in an organism that helps it survive is called an ________________
Answer: Adaptation
PrimatesAdaptations
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Answer: Camouflage
Question : When an organism matches its surroundings in order to hide, this is an
example of what type of adaptation?
PrimatesAdaptations
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Question: When an organism chooses not to mate with another type of the same species it is this type of speciation?
Answer: Behavioral
PrimatesAdaptations
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Question: When species are separated by a part of the landscape and cannot
come in contact it is known as this type of speciation?
Answer: Geographic
PrimatesAdaptations
Evidence for
Evolution
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Question: The hip bones of a dolphin and the tailbone of a
human are examples of what?
Answer: Vestigial Structures
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Question: Give an example of a structure that is homologous to a cat’s paw.
Answer: Answers vary. Dog’s paw, human arm, bat wing, whale flipper
Evidence for
Evolution
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Question: Give the definition of an homologous structure.
Answer: Body parts that have different development but
similar structure
Evidence for
Evolution
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Question: When two organisms share a similar DNA sequence, what does that tell scientists?
Answer: they are closely related
Evidence for
Evolution
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Question: In embryology, when the embryos are very similar to
each other, this means… ?
Answer: the organisms had a common ancestor
Evidence for
Evolution
Misc. $100
Question: What is the ability of an organism to survive and reproduce in its environment.
Answer: fitness
Misc. $200
Question: This organism is thought to be the first life on
Earth?
Answer: heterotrophic prokaryotes (bacteria)
Misc. $300
Question: Organisms that look alike and can reproduce
are called this.
Answer: A species
Misc. $400
Question: Why was the appearance of autotrophs on earth so important to life as
we now know it?
Answer: they produced oxygen that built up in our
atmosphere
Misc. $500
Question: Why, in evolutionary terms, would it
be beneficial for new individuals to come into a
population?
Answer: Gene flow brings in new DNA, which brings about
evolution.
Final Jeopardy TopicFinal Jeopardy Topic
Evolution
Final Jeopardy QuestionFinal Jeopardy Question
• Gazelles on the African plains are often hunted by the top predators. Over time, the gazelles have evolved to have very large eyes on either side of their head and very large ears. – How do their eyes and ears factor into their
survival?– Explain how, through Natural Selection, gazelles
have evolved to have these kind of eyes and ears.
Final Jeopardy AnswerFinal Jeopardy Answer• The eyes on either side of the head help them
to see the predators coming from all directions. The large ears help them to hear the predators.
• Over time, the gazelles that had poor hearing and vision were killed off. Those with better vision and hearing survived to pass those traits on to their offspring.
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