Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 22, Problem 6TYU
EVOLUTION CONNECTION Explain why anatomical and molcular features often fit a simillar nested pattern. In addition describe a process that can cause this not to be the case.
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You have seen many examples of how form fits function at all levels of the biological hierarchy. However, we can imagine forms that would function better than some forms actually found in nature. For example, if the wings of a bird were not formed from its forelimbs, such a hypothetical bird could fly yet also hold objects with its forelimbs. Describe the concept of “evolution as tinkering” to explain why there are limits to the functionality of forms in nature.
Please help with the following prompt using as much details as possible.
"One argument that is often made to invalidate evolution by natural selection is that some features of an organism are so complicated and need to work together in order to precisely function that it is impossible for such structures to arise from simpler ones by the random processes of mutation and selection: complicated design requires a designer. Using evidence from real organisms, explain how a complicated structure can arise from a simpler ancestral feature. You can use either an anatomical feature or molecular one."
Chapter 22 Solutions
Campbell Biology
Ch. 22.1 - How did Hutton's and Lyell's ideas influence...Ch. 22.1 - MAKE CONNECTIONS Scientific hypotheses must be...Ch. 22.2 - How does the concept of descent with modification...Ch. 22.2 - WHAT IF? If you discovered a fossil of an extinct...Ch. 22.2 - Prob. 3CCCh. 22.3 - Explain how the following Statement is inaccurate:...Ch. 22.3 - How does evolution account for (a) the similar...Ch. 22.3 - Prob. 3CCCh. 22 - Why was the age of Barth important for Darwin's...Ch. 22 - Describe how overreproduction and heritable...
Ch. 22 - Summarize the different lines of evidence...Ch. 22 - Level 1: Knowledge/Comprehension 1. Which of the...Ch. 22 - Which of the following observations helped Darwin...Ch. 22 - Prob. 3TYUCh. 22 - Prob. 4TYUCh. 22 - DNA sequences in manv human genes are very similar...Ch. 22 - EVOLUTION CONNECTION Explain why anatomical and...Ch. 22 - SCIENTIFIC INQUIRY DRAW IT Mosquitoes resistant...Ch. 22 - WRITE ABOUT A THEME: INTERACTIONS Write a Short...Ch. 22 - SYNTHESIZE YOUR KNOWLEDGE This honeypot ant (genus...
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- True or False: The presence of vestigial structures in humans (such as tailbones) provides support for an evolutionary hypothesisarrow_forwardBackground: In class we did a project about m and m’s and there ability to evolve and natural selection. (Yes I know they can’t actually evolve it was just used as a example in class) however I can’t figure out this question. Occasionally a mutant may occur and produce a candy that is misshapen or Pointier or flatter than the rest. Often this proves to be a weakness, but a rare mutation may confer extra M&M durability. Other mutations in M&Ms could occur ( like ones that result in a new color). A mutant un you population represents a new _________. What goes in the blankarrow_forwardWRITE ABOUT A THEME: Organization You have seenmany examples of how form fits function at all levels of thebiological hierarchy. However, we can imagine forms thatwould function better than some forms actually found innature. For example, if the wings of a bird were not formedfrom its forelimbs, such a hypothetical bird could fly yet alsohold objects with its forelimbs. In a short essay (100–150words), use the concept of “evolution as tinkering” to explainwhy there are limits to the functionality of forms in nature.arrow_forward
- of this =rab or ditions ionary escen- se or 5. Describe two examples of vestigial structures that you can find among the Caminalcules. These are structures that have been reduced to the point that they are virtually useless. Ear muscles and the tail bones are examples of vestigial structures in our own species. Explain how vestigial structures provide clues about a species' evolutionary past. Illustrate your argument with vestigial structures found in humans or other real species.arrow_forwardHi! All of these are related to a single subject. I hope it includes the three subparts I'm allowed for. Thanks! Identify the structure, how and where are they similar? In stage 3, identify the structures that made the organisms different from each other? Can embryonic development be an evidence that evolution took place? Explain.arrow_forwardGroup and Mutation Time Taken to Collect Candy Time Taken to Eat Candy A Extra long nails 1 minute 3 seconds 8 minutes 12 seconds B No digits; hands paddle-like 15 seconds 7 minutes 18 seconds C Normal 22 seconds 2 minutess 44 seconds D Hands fused in frontof body; no range of motion Did not collect 15 pieces.Collected 11 pieces Ate 11 pieces;4 minutes 12 seconds E Webbing on hands and feet 11 minutes 45 seconds 17 minutes 12 seconds F No peripheral 3 minutes 2 seconds 2 minutes 52 seconds G Blind Did not collect 15 pieces.Collected 4 pieces in 4 minutes Ate only 4 pieces;1 minute 16 seconds H Short legs; normal numberof digits on hands and feet 55 seconds 3 minutes 2 seconds Natural selection involves changes in the genetic makeup of a population over a period of time. The random change of DNA from parent to offspring, called mutations, can help produce variations in offspring. Some mutations can be helpful, while others can be harmful. In this experiment,…arrow_forward
- Many species of mammals have complex eyes that are capable of sight. The function of sight is a result of the structure of the eye, the nervous system, and the brain. Removing one of these structures from an organism disrupts the function of sight. Therefore, sight would be best described as an example of a(n) . Group of answer choices Biological Hierarchy Function Defining Structure Emergent Property Evolution by Natural Selectionarrow_forwardExplain why human cancer is a good example of short- sighted evolution. A couple of sentences answer is fine.arrow_forwardState 1 of the five pieces of evidence for evolution. Then, briefly explain how this provides support for the theory of evolution and increases our understanding of human evolution.arrow_forward
- Natural Selection: Imagine that a population of Cnidarians with life cycles that alternated between sexual and asexual reproductive phases evolved from ancestors whose life cycles lacked asexual phases. Explain how this may have occured via natural selection. In your answer be sure to address all of the key points discussed in class as being necessary to describe evolution by natural selectionarrow_forwardWhat features are created at Divergent boundaries? Draw the picturesarrow_forwardBased on the concept of Natural Selection and Evolution, explain the quote, “You cannot get order and complexity from random chaos alone”arrow_forward
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