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Chp 15
Chp 15

...   1. If Earth can change over time, couldn’t life change as well?   2. It would have taken many years for life to change and that is only possible if Earth is extremely old. ...
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Natural Selection

...  All populations have genetic diversity (they are not 100% identical)  If an individual is born/produced that has trait which make it more fit it then is more likely to survive and reproduce  When it reproduces there is a higher chance that the beneficial traits will be passed on to its offspring ...
Darwinism
Darwinism

... “Thus, from the war of nature, from famine and death, the most exalted object which we are capable of conceiving, namely, the production of the higher animals, directly follows. There is grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into ...
GENETIC VARIATION The raw material of biological evolution
GENETIC VARIATION The raw material of biological evolution

... Combine all the data of the class, and look for patterns. Of the four traits, are any variants more predominant in the population? Can you think of how some trait variants could be advantageous to an individual? What’s Going On? Should environmental conditions change (anything from climate to food t ...
Chapter 22-‐ Descendant with Modification
Chapter 22-‐ Descendant with Modification

... Inference1:  Individuals  that  are  well  suited  to  their  environment  tend   to  leave  more  offspring  than  other  individuals.   Inference2:  Over  time,  favorable  traits  accumulate  in  the  population.   ...
Chapter 10-Evolution and Natural Selection
Chapter 10-Evolution and Natural Selection

... ◦ The key factor in natural selection is the environment. ◦ The environment presents challenges that individuals with particular traits can better overcome. ◦ Traits possessed by organisms successful at survival and reproduction are more likely to be transmitted to the next generation. ◦ These trait ...
Phylogeny and Systematics
Phylogeny and Systematics

... The fossil record is based on the sequences in which fossils have accumulated in strata of rocks ...
Evolution Notes #4
Evolution Notes #4

... Organisms with more helpful variations are more likely to survive and reproduce, passing on variations to offspring ...
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Vocabulary Words for the first Evolution Quiz Adaptation Inherited

... Vocabulary Words for the first Evolution Quiz Adaptation Inherited characteristics of a species that develops over time in response to an environmental factor, enabling the species to survive Adaptive Radiation/Divergent Evolution Diversification of a species into a number of different species, ofte ...
HERE
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... The reproductive success of organisms best suited to their environment is known as A. natural selection. B. adaptation. C. evolution. D. convergence. ...
Darwin and Natural Selection
Darwin and Natural Selection

...  He spent the next 22 years studying how animals could change over time.  Darwin used an idea proposed by Thomas Malthus about human population growth to explain that through competition and limited resources, only some are able to survive to reproduce. ...
CH 22: DESCENT WITH MODIFICATION
CH 22: DESCENT WITH MODIFICATION

... improve Ex. Arnold Schwartzenegger’s big biceps will increase his survival and will be passed onto his offspring or the giraffe stretched its neck and will pass its long neck to offspring III. The Origin of Species A. Descent with modification ...
Evolution Unit Test Review with answers
Evolution Unit Test Review with answers

... 14. What is selective breeding (artificial selections)? Nature provides the variation and humans select the variations that they find useful. They then will breed those organisms to produce offspring with desired traits. 15. What is the main difference between natural selection and selective breedi ...
Evolution! - Cloudfront.net
Evolution! - Cloudfront.net

... molluscs, and other boneless Jean-Baptiste Lamarck (1744-creatures was far ahead of his ...
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Theories on Origin and Change

... The light-colored moths became visible and were eaten by birds. The dark-colored moths could not be seen against the dark background. These moths reproduced more dark moths and the population shifted from light to dark-colored. Recently, as a result of environmental pollution laws, the moth populati ...
Natural Selection Natural Selection: Organisms that are best
Natural Selection Natural Selection: Organisms that are best

...  Individuals with traits that are not well suited to their environment either die or leave few offspring.  Evolution occurs when good traits build up in a population over many generations and bad traits are eliminated by the death of the individuals. ...
Evolution and Natural Selection Name: BS108
Evolution and Natural Selection Name: BS108

... 4. Bats, pterosaurs, and birds are examples of _________ evolution. 5. A human example of stabilizing selection is _____________________. 6. When a few survivors of an original population give rise to the next generation of individuals, the genetic sample is small, a phenomenon called a ____________ ...
Evolution: How Change Occurs
Evolution: How Change Occurs

... • Today we define evolutionary fitness as the success an organism has in passing on its genes to the next generation • An adaptation is any genetically controlled trait that increases an organism’s fitness • Think about the weight lifter- big muscles won’t be inherited but gene for the potential to ...
Origin of Life Power Point
Origin of Life Power Point

... – concept that species have changed over time ...
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... 5. What is the sequence of rock types that is deposited in an environment with rising sea level? (transgression) 6. What is the sequence of rock types that is deposited in an environment with falling sea level? (regression) 7. How can fossils be used to date rocks? 8. What are some characteristics o ...
Chapter 15 study guide
Chapter 15 study guide

...  Fossil record ...
Evolution Study Questions
Evolution Study Questions

... D. An increase in mutation rates E. Plants and animals developing new characteristics in order to cope with environmental changes 12. The most compelling evidence for large-scale evolutionary change or macroevolution is: A. Kettlewell's release-recapture experiment with peppered moths B. The fossil ...
Natural Selection Note Guide Textbook: Chapter 1: pages 6 – 8
Natural Selection Note Guide Textbook: Chapter 1: pages 6 – 8

... × All of the fish in the Atlantic Ocean would NOT be considered a population because there are many different species of fish. Adaptation: Any characteristic of a species that improves its ability to survive and reproduce in a given environment. For example, the long teeth of a naked mole rat are an ...
Descent with Modification: Darwinism
Descent with Modification: Darwinism

... Over time, it can increase the match between organisms and their environment If an environment changes or individuals move, adaptations to these can give rise to new species ...
Evolution Lecture
Evolution Lecture

... • Small changes, such as seen in modern bacteria or beaks in finches, are examples of microevolution. Microevolution leads to new species over time. • Large changes, such as the evolution of major features, like wings in birds, or legs in fish, are examples of macroevolution. Macroevolution leads to ...
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Evolutionary mismatch

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