PRINCIPLES OF BIOLOGY TEXT & CODE
16th Edition
ISBN: 9781269502528
Author: Pearson
Publisher: PEARSON
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Chapter 25, Problem 10TYU
WRITE ABOUT A THEME: ORGANIZATION 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. In a short essay (100-150 words), use the concept of "evolution as tinkering" to explain why there are limits to the functionality of forms in nature.
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Chapter 25 Solutions
PRINCIPLES OF BIOLOGY TEXT & CODE
Ch. 25.1 - What hypothesis did Miller test in his classic...Ch. 25.1 - How would the appearance of protocells have...Ch. 25.1 - MAKE CONNECTIONS In changing from an "RNA world"...Ch. 25.2 - Describe an example from the fossil record that...Ch. 25.2 - WHAT IF? Your measurements indicate that a...Ch. 25.3 - The first appearance of free oxygen in the...Ch. 25.3 - What evidence supports the hypothesis that...Ch. 25.3 - WHAT IF? What would a fossil record of life today...Ch. 25.4 - Explain the consequences of plate tectonics for...Ch. 25.4 - What factors promote adaptive radiations?
Ch. 25.4 - Prob. 3CCCh. 25.5 - Explain how new body forms can originate by...Ch. 25.5 - Why is it likely that Hox genes have played a...Ch. 25.5 - MAKE CONNECTIONS Given that changes in morphology...Ch. 25.6 - How can the Darwinian concept of descent with...Ch. 25.6 - Prob. 2CCCh. 25 - Describe the roles that montmorillonite clay and...Ch. 25 - What are the challenges of estimating the ages of...Ch. 25 - What is the "Cambrian explosion," and why is it...Ch. 25 - Explain how the broad evolutionary changes seen in...Ch. 25 - How could changes in a Single gene or DNA region...Ch. 25 - Explain the reasoning behind the Statement...Ch. 25 - Level 1: Knowledge/Comprehension 1. Fossilized...Ch. 25 - The oxygen revolution changed Earth's environment...Ch. 25 - Prob. 3TYUCh. 25 - Prob. 4TYUCh. 25 - Which of the following steps has not yet been...Ch. 25 - Prob. 6TYUCh. 25 - Prob. 7TYUCh. 25 - EVOLUTION CONNECTION Describe how gene flow,...Ch. 25 - Prob. 9TYUCh. 25 - WRITE ABOUT A THEME: ORGANIZATION You have seen...Ch. 25 - Prob. 11TYU
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- Which statement is true? Fossils can provide information about when life forms existed. Fossils cannot provide information about life cycles and behaviors. Fossils cannot provide information about relatedness of life forms. Fossils can provide information about the entire evolutionary process of life forms.arrow_forwardIn 1822, an Arkansas farmer discovered a fossil when a hill collapsed on his property. The farmer sent the bones to the Philadelphia society to be reviewed by scientists where it was determined that the bones were from a whale. Through research, the scientists discovered whales have a vestigial structure that includes a pelvic girdle and hind limbs. Which evidence best supports the theory that organisms, such as whales, have common ancestry and have evolved? Select all that apply. Group of answer choices A/Ostriches and emus are flightless birds. B/Ancient cave paintings depict humans and bulls thousands of years ago. C/More than 96% of human DNA is identical to chimpanzee DNA. D/In the early stages of embryonic development, humans, rabbits, fish, and salamanders look very similar. E/Scientists discovered eight genetic variants in four regions of the human genome that influence skin color ranging from very light to very dark.arrow_forwardINTERPRET DATA Which of the primates in Figure 18-18 is the most distantly related to humans? Explain your answer. Figure 18-18 Differences in DNA nucleotide sequences as evidence of evolutionary relationships Comparing the same gene in different organisms provides a window into evolution. Here the differences in the non-protein-coding region of the -globin gene are compared between humans and other primates. Evolutionary biologists are rapidly expanding such studies from comparing one or several genes to comparing entire genomes.arrow_forward
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- Climate change is an increasing threat that scientists are trying to not only combat but prepare for future increases in temperature and rainfall. One of the effects of climate change is the warming of ocean and air temperatures. The sex of sea turtle offspring is determined by temperature during development. Temperature over 87° Fahrenheit will result in female offspring. In 3-5 sentences, describe how organisms like the sea turtle might adapt to the rise in ocean and air temperatures. In your explanation, describe the correlation between environmental factors and natural selection.arrow_forwardGive typing answer with explanation and conclusion to all parts What evidence shows that the most recent common ancestor of chimpanzees and humans was much more arboreal than modern humans are? We spoke of paleoenvironmental processes that changed the ecological environmental conditions in Africa somewhere around 7 million years in Africa: which are they? How would have these processes might have selected for a less arboreal lifestyle in the human lineage? Why did the same changes not evolve in the chimpanzee lineage?arrow_forwardMake a concept map: What are the 4 types of evidence for evolution? Explain and upload pictures.arrow_forward
- Make a detailed concept map: What are the 4 types of evidence for evolution? Explain and upload pictures.arrow_forwardTarsiers are one of the small species of primates generally found in tropical islands like Bohol, Philippines. Gibbons are small apes usually found in the forests of Southeast Asian regions. Chimpanzees are considered to be the highest form of "thinking organisms" on Earth. The theory of evolution asserts that these species evolved from a related ancestor. By observing the given figure. How will you support or reject the said claim?arrow_forwardRank the characteristics, from one to ten, in terms of when they occurred in evolution ("1" = early in evolution, "10" = late). Characteristics shared by all of the animals receive a "one.” Those characteristics at the first branch point receive a "two.” Those at more recent branches receive progressively higher numbers. What is the ranking of the characteristics from 1-10?arrow_forward
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