According to the text, what is artificial selection most often called? a) natural selection b) evolution c) selective breeding d) desirable traits
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1. According to the text, what is artificial selection most often called?
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- The study featured in "This is a Truly Lousy Experiment" relied on well-established conclusions from the classic research of Charles Darwin. From the article, Darwin's research on evolution by natural selection was based on the rationale: If artificial selection by breeders could generate diversity in only a few generations of pigeons, then it would not be surprising that nature would be capable of generating the vast diversity of organisms found on earth. O If natural selection by breeders could generate diversity in only a few generations of pigeons, then it would not be surprising that artificial selection over a very long time, would be capable of generating the vast diversity found on earth. If artificial selection by nature could generate diversity in only a few generations of pigeons, then it would not be surprising that breeders, over a very long time, would be capable of generating the vast diversity found on earth. Charles Darwin did not study diversity and evolution. If…Give a Darwinian explanation of how cheetahs evolved to become faster. Your explanation is how natural selection works using Cheetahs as an example. Be sure to include andexplain the ideas of differential reproductive success and descent with modification. (You do not need to mention the formation of new species.)Although Charles Darwin is best known for developing his theories of evolution during his trip on the HMS Beagle, his later life also provided evidence for evolution. Explain how Darwin’s later life added to his evolution theory.
- The Peppered Moth experiment is an example of natural selection in action. Explain why the dark moth evolved, whereas the number of light moth decreased in the population. What is the driving force of evolution?Which the following statements about Darwin's theory of natural selection is true? O In order to reproduce more successfully, an individual must evolve so that it adapts to its environment. The natural environment consistently causes variation of certain traits in the population. O Individuals with inherited traits that are better suited to the local environment are more likely to survive and reproduce than less well-suited individuals. Natural selection, by its cumulative effects over long periods of time, could have caused random changes in ancestral species, thus giving rise to two or more descendant species.Offically speaking, did Charles Darwin develop the theory of "evolution" or the theory of "descent with modification?" I know he coined the second term but I can't find if that's all he's historically creditited with.
- How is the observation of “sporting mutations” in animal breeding used to challenge Darwin’s theory of gradualism? Why did Darwin reject such mutations as having little evolutionary importance?Consider Theodosius Dobzhansky’s remark, “Nothing in biologymakes sense except in the light of evolution.” Why is evolution soimportant to the field of biology? Give some specific examples of howthe theory of evolution helps us to make sense of biology.Why is the following observation by Darwin important to the theory of evolution? "All species can produce more offspring than their environment can support, and many of these offspring fail to survive and reproduce" Organisms have evolved to produce as many offspring as possible Many organisms die for reasons having nothing to do with their evolutionary fitness Competition for resources creates the selection that drives evolution O Over time, organisms that have larger litters will be more evolutionarily successful
- Evolution is a theory, so it is still only tentative. Once it is really a meaningful scientific discipline, it will become a law. Select one: O True False Darwin was meticulous in making several key observations that formed the foundation of his argument for his theory of evolution. Which of the following did Darwin NOT use in the formulation of his theory? Select one: O a. Individuals reproduce in excess. O b. There is a culling among offspring. O c. Keystone species are infrequently found in disturbed communities. O d. Variation exists in populations. O e. Traits are inherited across generations.Evolution is a theory, so it is still only tentative. Once it is really a meaningful scientific discipline, it will become a law. Select one: O True O False Darwin was meticulous in making several key observations that formed the foundation of his argument for his theory of evolution. Which of the following did Darwin NOT use in the formulation of his theory? Select one: O a. Variation exists in populations. b. There is a culling among offspring. c. Keystone species are infrequently found in disturbed communities. d. Traits are inherited across generations. e. Individuals reproduce in excess. A bison walks through a prairie, foraging on grass. As it walks, it kicks up insects which are then eaten by brown-headed cowbirds. Match the relationships below with their appropriate type of dyadic interaction. Bison Grass Choose... Choose... Bison |Insect Competition Bison Cowbird Mutualism Amensalism Commensalism Consumer-resourceIn lecture we discussed eight (8) lines of evidence that Darwin used to lay out his argument for the fact of evolution in his book On the Origin of Species (1859). Using your materials from lecture and the last chapter of the "Origin" that we read for section, 1) rank order these lines of evidence based on what you find the most to the least compelling. 2) Be sure to describe each of these lines of evidence and 3) discuss how they are, or not, relevant in the early 21st century. (From old pset1) Evidence Variation in domesticated species and breeding (artificial selection) Hierarchical classification (groups nested within groups) "Unity of type" - modification of the same basic structure (homology) Evident "fit" of organisms to environments (but imperfections) (adaptation) Structures without apparent function (vestigial structures) Similarity of organisms in early phases of development (embryology) Order in diversity through time in the fossil record (paleontology) Order in…