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Study
Natural Selection
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Large, flightless birds like the Ostrich and Emu evolved similarly due to similar _____________________.
Environments
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True/False - All traits are adaptations.
False - some traits are not adaptations; Ex: the red color of blood
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Natural selection works directly on genotype/phenotype (choose 1)
Phenotype - the physical traits
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The ability of an organism to survive and reproduce in their environment
Fitness
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Survival of the Fittest was proposed by this English naturalist
Charles Darwin
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By having these (insert term we learned), organisms can have increased fitness
Adaptations
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The more genetic variation a population has, the more likely it is for the population to _______________.
Evolve
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When an animal breeder or farmer chooses the best traits to produce a better livestock they are using the process of
Artificial Selection
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True/False - Organisms decide to change over time
False! The environment shapes organisms
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Domesticated dogs are an example of
Artificial Selection (selective breeding)
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The Glyptodont is an example of
a fossil
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The change in a population over time is called
Evolution
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The differences among a species, like different shaped turtle shells, are called
Variations
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The Galapagos tortoises showed that species vary _______________ .
Locally
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Camouflage and mimicry are examples of
Adaptations
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True/False - A trait is only useful to a population if it can be passed on to future generations
TRUE
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Give an example of an artificially selected organism
(open - up to teachers discretion, answers vary)
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Phrase that goes with "the fittest don't die out and therefore reproduce and pass on their genes"
Survival of the Fittest
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These are the remains of organisms that lived long ago and can be connected to organisms that live in the modern time
Fossils
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True/False - Evolution by natural selection is a scientific theory.
True! It's been tested with experiment many times from multiple lines of inquiry and accepted
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Give an example of an adaptation
(open - up to teachers discretion)
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True/False - Individuals evolve over time
False! Populations evolve, not individuals
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The name of the process where organisms that are better adapted to their environment tend to survive and produce more offspring.
Natural Selection
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The term for a group of similar organisms that can reproduce and make fertile offspring
Species
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Traits that allow an organism to survive and reproduce in their environment
Adaptations
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