EBK BIOLOGY
5th Edition
ISBN: 8220101337627
Author: Maier
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 2LTB
What observations did Darwin make on the Galapagos Islands that helped convince him that evolution occurs?
- the existence of animals that did not fit into Linnaeus’s classification system;
- the similarities and differences among cacti and tortoises on the different islands;
- the presence of species he had seen on other tropical islands far from the Galapagos;
- the radioactive age of the rocks of the islands;
- fossils of human ancestors
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Chapter 10 Solutions
EBK BIOLOGY
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- What observations that Darwin made on his round-the-world voyage influenced his later thoughts about evolution?arrow_forwardWhat did Darwin’s travels reveal to him about the number and variety of living species? How did tortoises and birds differ among the islands of the Galapagos? What is evolution? Why is referred to as a theory? Darwin found fossils of many organisms that were different from any living species. How would this finding has affected his understanding of life diversity?arrow_forwardWhat evidence did Georges Cuvier present that contradicted one of Jean-Baptiste Lamarck’s ideas? he identified fossil specimens of two large, extinct reptile species (the pterosaur and the mosasaur) he demonstrated that the Indian elephant and the African elephant were two different species he argued that specimens in the fossil record never changed much, so evolution was not occurring he claimed that divine creation was necessary to explain the origin of a new species he argued that natural catastrophes, like floods and ice ages, were common in the history of lifearrow_forward
- What was missing in Darwin’s explanation of evolution by natural selection? How does the modern synthesis fill this gap?arrow_forwardDescribe how Darwin changed the way people understand how the world works. Note: On Jun 4th, 1539, Martin Luther discussed with his disciples; a certain new astrologer who wanted to prove that the Earth moves and not the sky, the Sun, and the Moon. Astrologer Nicolaus Copernicus and his heliocentric theory would ultimately displace Earth from the center of the universe. By the late 17th century, among the Western scientific intelligentsia, Earth was no longer the center of the universe.arrow_forwardExplain how each of the following contribute(s) to Darwin’s evolutionary theory: fossils; geographic distributions of closely related animals; homology; animal classification.arrow_forward
- What piece of evidence for evolution was not available in Darwin's time, but has since corroborated his ideas? fossil evidence vestigiality shared developmental pathways DNA similarities OO00arrow_forwardIn 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…arrow_forwardHow did darwin disproved lamarck? Why did darwin still thought that lamarck's work was very importantarrow_forward
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