INTEGRAT PRINC OF ZOO (LL W/ CONNECT)
18th Edition
ISBN: 9781264177875
Author: HICKMAN
Publisher: MCG
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Chapter 2, Problem 1FFT
Why will our knowledge of the origin of life always be more tentative than our knowledge of the subsequent evolution of life’s diversity?
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Chapter 2 Solutions
INTEGRAT PRINC OF ZOO (LL W/ CONNECT)
Ch. 2 - Explain each of these properties of water, and...Ch. 2 - What was the composition of the earths atmosphere...Ch. 2 - Regarding the experiments of Miller and Urey...Ch. 2 - Explain the significance of the Miller-Urey...Ch. 2 - Name three different sources of energy that could...Ch. 2 - By what mechanism might organic molecules have...Ch. 2 - Name two simple carbohydrates, two storage...Ch. 2 - What characteristic differences in molecular...Ch. 2 - Explain the difference between the primary,...Ch. 2 - Prob. 10RQ
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- the landmark experiment by Miller and Urey, and various repeats of this experiment, did not successfully recreate life itself, but why do we consider the results from this experiment as support for the origin of life on Earth?arrow_forwardWhy is evolution important in explaining the diversity of life? Explain the question briefly.arrow_forwardScientists Stanley Miller and Harold Urey set up an experiment modeling the environmental conditions thought to exist during the early stages of Earth's formation. The setup of Miller and Urey's experiment is shown below. Which conclusion about the origin of life could be drawn from the potential results of this experiment? Life assembled from chemical building blocks. Life began when water vapor became electrified. Life evolved from the DNA of simple unicellular organisms. Life began when salt water caused a mutation in an ancient virus.arrow_forward
- How is Aristotle’s “scale of nature” idea linked to early evolutionary thought? In what ways does it differ from modern scientific evolutionary theory?arrow_forwardThe theory of evolution has long been a part of the study of biology in its attempt to explain the diversity of different life forms. Why do you think has it not been elevated as a Law?arrow_forwardThe theory of evolution is supported by a large body of evidence. What is the first occurrence of found in geologic strata?arrow_forward
- Chronologically arrange the evolutionary events of life’s origin on earth with 1 being the earliest and 10 the most recent.arrow_forwardAre the three methods/hypotheses of producing the building blocks of life on earth mutually exclusive? Why or why not? Is there evidence that supports all three proposed mechanismsarrow_forwardScientists often talk about the evidence for evolution. Using the five types of evidence listed here, explain how each suggests the occurrence of evolution: 1) structural homologies, 2) molecular homologies, 3) developmental homologies, 4) fossils (general) and 5) transition fossils.arrow_forward
- Why are vestigial structures among organisms evidence for evolution? Give an example of another vestigial structure.arrow_forward15) This is an artist's rendition of Tiktaalik. What features does the organism possess and what does that provide evidence for with respect to evolution?arrow_forwardIn the early nineteenth century, the French scientist Georges Cuvier provided conclusive evidence of the extinction of species on Earth. Although Cuvier correctly asserted that a series of catastrophes led to these extinctions, he could not provide a testable explanation of the source of the new animals and plants that appeared after the extinction of older forms. How would you argue that modern evolutionary theory provides an explanation for the proliferation of new forms of life after mass extinctions?arrow_forward
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