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DARWINISM Darwinism is a theory of biological evolution
DARWINISM Darwinism is a theory of biological evolution

... It is a theory of biological evolution stating that all species of organisms have developed from other species, primarily through natural selection. English biologist Thomas Henry Huxley coined the term Darwinism in April 1860. NEO-DARWINISM Neo-Darwinism is the "modern synthesis" of Darwinian evolu ...
Unit 7 Lesson 17.4 Patterns of evolution Mon 3/12, Tues 3/13
Unit 7 Lesson 17.4 Patterns of evolution Mon 3/12, Tues 3/13

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Science Starter 1. Evolution is as much a fact as the fact
Science Starter 1. Evolution is as much a fact as the fact

... !   Traveling individuals can introduce new genes 3.  Genetic Drift !   Some just do better just by chance 4.  Natural Selection !   A gene increases survival ...
evoluton
evoluton

... form; it is immutable, or unchangeable. By contrast, theories of organic evolution hold that all organisms, including humans, are mutable; that is, they respond dynamically over time to changes in the environment. Although the theory of organic evolution is accepted by the overwhelming majority of t ...
Biology Pre-Learning Check
Biology Pre-Learning Check

... 15. ______ Parts on an organism that are similar to parts on another organism although they do not share a common ancestor; e.g. wings on birds and wings on insects 16. ______ A trait that helps an organism survive its environment 17. ______ How well an organisms fits into/survives in its environmen ...
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TOP TEN THINGS TO KNOW ABOUT EVOLUTION

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evidence of evolution

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EVOLUTION REVIEW WORKSHEET NAME What were Darwin`s

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... D. Advances in molecular biology reveal similarity in genes that control cellular function in very different organisms (same set of genes controls many early events in the development of the fruit fly and mouse); gene sequence (e.g., of cytochrome C oxidase gene) of more distantly related organisms ...
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Chapter 15 Questions – unless otherwise indicated, answer the

... 2. Compare and contrast the concepts of homologous structures and analogous structures. 3. Compare and contrast the embryos on p. 306 in their earliest stage. Evaluate the usefulness of embryological evidence—how strong a support of evolution do you think embryo similarities provide? 4. Does natural ...
Biology 2002 - Spring Branch ISD
Biology 2002 - Spring Branch ISD

... the term adaptation incorrectly. For example - "Johnny adapted to the cold climate when he moved to Alaska." But since this did not result in a genetic change in Johnny's DNA, it is not genetically transferred to offspring, and therefore does not affect the survival of the species.) The variation in ...
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Evolution and Classification Homework Evolution: Theory Due

... 2. Lamarck hypothesized that acquired traits were passed on to offspring. a. What is an acquired trait? b. Why is Lamarck’s hypothesis easily disproved? 3. Charles Darwin and Alfred Wallace independently proposed that species were modified by natural selection. What is natural selection? 4. Darwin c ...
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... 4. How is biochemistry used to provide evidence for evolution? 5. Which idea was most tied to Darwin in his book The Origin of Species? 6. An organism’s survival can be determined by the physical traits it inherits. If a mutation were to occur, what type of mutations would best increase the organism ...
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Chapter 16: Darwin’s Theory of Evolution
Chapter 16: Darwin’s Theory of Evolution

...  Modern geologists use radioactive dating to determine age of rocks/fossils  Earth is about 4.5 billion years old  Darwin’s study of fossils convinced him, but paleontologists had not yet found enough fossils of intermediate species  Since then, many have been found  Whales from ancient land ma ...
Historic Context
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Theories of Evolution Power Point
Theories of Evolution Power Point

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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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