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15 Evolution - Crestwood Local Schools
15 Evolution - Crestwood Local Schools

... 5. Birds that lived on the same island evolved in their own unique ways leading to formation of new species of finch. ...
Only(features(that(result(from(common(ancestry(reflect( evolutionary
Only(features(that(result(from(common(ancestry(reflect( evolutionary

... • Ability(to(adapt(to(a(broad(range(of(environments(explains(why( they(are(so(abundant( • Prokaryote(populations(have(been(subject(to(natural(selection( in(all(kinds(of(environments,(resulting(in(their(enormous( diversity(today( • Prokaryotes:(mostly(unicellular(although(the(cells(of(some( species(r ...
Evolution & How it Works
Evolution & How it Works

... I = Inheritance: Genetic traits are inherited from parents and passed on to offspring. S = Selection: Organisms with traits that are favorable for survival get to live and pass on their genes to the next generation. T = Time: Evolution can happen in a few generations, but major change, such as speci ...
15.1 darwin`s theory of natural selection 2
15.1 darwin`s theory of natural selection 2

... Darwin had no idea about DNA (genes) but noticed that animal breeders used heritable variation to produce animals with desirable characteristics Called Artificial Selection, nature provided the variation, and humans selected the variations they found useful. ...
EVOLUTION Enduring Understandings o Mutation is random while
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Early Humans
Early Humans

... Darwin was an English naturalist who took a voyage on the HSM Beagle, off the coast of South America (Galapagos Islands), and kept records and fossils of what he saw.  Darwin thought that all living things were________related____________. 2. How does evolution really work?  Evolution works through ...
Organic Evolution
Organic Evolution

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Theory of Evolution and Natural Selection
Theory of Evolution and Natural Selection

... each island had similar physical conditions but distinct species of mockingbirds, tortoises. divergence in isolation from a common ancestor ...
Evidence for NS
Evidence for NS

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Biological Evolution
Biological Evolution

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HOMEWORK 05: ANSWER KEY
HOMEWORK 05: ANSWER KEY

... Darwin’s spelling errors “evolved” during the course of his voyage, allowed historians to zero in on date when he wrote famous phrase “undermined the stability of species”, mutation in gene (cytochrome b) only present in certain group of finch species, likely to have arisen after they diverged from ...
Chapter 15
Chapter 15

... 2. For life to change it must take many, many years which would only be possible if Earth was old. ...
Chapter 13: The Theory of Evolution
Chapter 13: The Theory of Evolution

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Chapter 22 Descent with Modification: A Darwinian View of Life
Chapter 22 Descent with Modification: A Darwinian View of Life

... Catastrophism - speculation that each boundary between strata corresponded in time to a catastrophe, such as a flood or drought that had destroyed many of the species living there at that time James Hutton Gradualism - profound change is the cumulative product of slow but continuous processes Charle ...
Chapter 22 Descent with Modification: A Darwinian View of Life
Chapter 22 Descent with Modification: A Darwinian View of Life

... Catastrophism - speculation that each boundary between strata corresponded in time to a catastrophe, such as a flood or drought that had destroyed many of the species living there at that time James Hutton Gradualism - profound change is the cumulative product of slow but continuous processes Charle ...
3.4-Evolutionary Mechanisms
3.4-Evolutionary Mechanisms

... Gene pool: all of the genes of a population Allele frequency: the percentage of any particular allele in a gene pool A population in which an allele frequency remains the same over many generations is stable and is known as “genetic equilibrium” and therefore is NOT ...
From the Origin of Species to Evolutionary Computation
From the Origin of Species to Evolutionary Computation

... Evolutionary Programming [Fogel 1962]. Genetic Algorithms [Holland 1975]. ...
17-2 Mechanisms of Genetic Change
17-2 Mechanisms of Genetic Change

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Chapter 1
Chapter 1

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Exam 2 - philipdarrenjones.com
Exam 2 - philipdarrenjones.com

... D) Their reproductive isolation from each other is complete. ...
chapters 15-17: evolution, natural selection, and the fossil record
chapters 15-17: evolution, natural selection, and the fossil record

... The geologic processes that affect the earth today are the same that affected the earth in the ancient past Uniformitarianism: “The present is the key to the past” Earthquakes, volcanoes, erosion ...
Power Point Notes
Power Point Notes

... economist, wrote essay that Darwin read on his return to England • Argued that as population size increases, resources dwindle, the struggle to live intensifies, and conflict increases ...
Name - MrKanesSciencePage
Name - MrKanesSciencePage

... beaks are more likely to survive. As a result, average beak size in this finch population has increased dramatically. a. Changes in food supply created selection pressure that caused finch populations to evolve within decades. This evolutionary change occurred much faster than many researchers thoug ...
Natural Selection and the Evidence of Evolution
Natural Selection and the Evidence of Evolution

... – Enables one species to • Example: resemble another – After years of exposure to specific • Camouflage pesticides, insects – Enables species to blend and weeds have with surroundings become resistant ...
Evidence for Evolution
Evidence for Evolution

... Natural selection has been documented in nature many times. In Galapagos finches, available seed sizes change with different amounts of rainfall. Dry years result in more large seeds. Wet years result in more smaller seeds. Studies of reproductive success in finches indicate that large-billed birds ...
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Adaptation

In biology, an adaptation, also called an adaptive trait, is a trait with a current functional role in the life history of an organism that is maintained and evolved by means of natural selection. Adaptation refers to both the current state of being adapted and to the dynamic evolutionary process that leads to the adaptation. Adaptations enhance the fitness and survival of individuals. Organisms face a succession of environmental challenges as they grow and develop and are equipped with an adaptive plasticity as the phenotype of traits develop in response to the imposed conditions. The developmental norm of reaction for any given trait is essential to the correction of adaptation as it affords a kind of biological insurance or resilience to varying environments.
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