Connect With Learnsmart Labs Access Card For Biology: Concepts And Investigations
4th Edition
ISBN: 9781259870002
Author: Mariëlle Hoefnagels Dr.
Publisher: McGraw-Hill Education
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Chapter 15, Problem 1PIT
Summary Introduction
To add:
Life’s history, DNA evidence, Fossil evidence to Pull It Together concept map.
Concept introduction:
Scientists study the history of life in the context of the geologic timescale that divides time into various eons, eras, period and epoch. The Earth formed around 4.6 billion years ago and was very hot at that time. It slowly cooled down to form Earth crust around 4.1 billion years ago. The origin of life became possible only after that. The various events that occurred after the origin of life can be studied through fossil records and molecular data.
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5. Identify one species shown in the diagram that has become extinct. State how you were able to tell it is extinct based on the evolutionary tree.
1. Which idea stems from the theory of evolution? -
a. The earth is relatively young.
b. Each organism is specially created.
c. Species are related by common descent.
d. A mix of fossils in a region indicates that a local catastrophe occurred.
5. It is a theory proposed by Jean Baptiste de Lamarck which states that the ability to survive helped organisms develop characteristics necessary for them to adapt in a given environment. *
a. The Evolution Theory
b. The Theory of use and Disuse
c. The Theory of Need
d. The Theory of Natural Selection
Chapter 15 Solutions
Connect With Learnsmart Labs Access Card For Biology: Concepts And Investigations
Ch. 15.1 - How were conditions on Earth before life began...Ch. 15.1 - Prob. 2MCCh. 15.1 - Prob. 3MCCh. 15.1 - Prob. 4MCCh. 15.2 - How might the endoplasmic reticulum, nuclear...Ch. 15.2 - Prob. 2MCCh. 15.2 - Prob. 3MCCh. 15.3 - Prob. 1MCCh. 15.3 - What types of organisms flourished in the...Ch. 15.3 - How did Palaeozoic life diversify during the...
Ch. 15.3 - Prob. 4MCCh. 15.3 - Prob. 5MCCh. 15.3 - Prob. 6MCCh. 15.4 - Name and describe the three groups of contemporary...Ch. 15.4 - Prob. 2MCCh. 15.4 - Prob. 3MCCh. 15.4 - Prob. 4MCCh. 15.5 - Prob. 1MCCh. 15.5 - Prob. 2MCCh. 15 - Place the following events in Earths history in...Ch. 15 - Prob. 2MCQCh. 15 - Photosynthetic cells affected early Earth by a....Ch. 15 - Prob. 4MCQCh. 15 - Prob. 5MCQCh. 15 - Prob. 6MCQCh. 15 - Why was the Mesozoic era extinction significant to...Ch. 15 - Primates share all of the following...Ch. 15 - Prob. 9MCQCh. 15 - DNA evidence suggests that modern humans a. share...Ch. 15 - Explain how the origin of self-replicating...Ch. 15 - Prob. 2WIOCh. 15 - Review the structures of nucleic acids and...Ch. 15 - Prob. 4WIOCh. 15 - The amoeba Pelomyxa palustris is a single-celled...Ch. 15 - Prob. 6WIOCh. 15 - List the major events of the Precambrian supereon...Ch. 15 - Prob. 8WIOCh. 15 - Distinguish among the terms primate, hominid,...Ch. 15 - Explain how opposable thumbs, large brains, and...Ch. 15 - Prob. 11WIOCh. 15 - Prob. 12WIOCh. 15 - Use the Internet to learn about National...Ch. 15 - In what ways has culture been an important factor...Ch. 15 - Compare todays changing culture to biological...Ch. 15 - Prob. 16WIOCh. 15 - Prob. 1PITCh. 15 - Refer to figure 15.31 and the chapter content to...Ch. 15 - Refer to figure 15.31 and the chapter content to...
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- The fossil record: a. provides direct and indirect evidence about life in the past. b. shoes that all morphological novelties arise rapidly. c. provides abundant data about rare species with local distributions. d. is equally good for all organisms that ever lived. e. provides no evidence about the physiology or behavior of ancient organisms.arrow_forward1. Understanding geologic time is significant because it helps us a. Understand humans’ impact on our environment b. Understand the process of evolution c. Understand the possibility for life on other planets d. Understand the evolution of organisms over timearrow_forward2. The presence of homologous structures is a strong indicator that the organisms evolved from common ancestors. Which type of evolution does the statement describe? * a. Divergent Evolution b. Convergent Evolution c. Evolution Theory d. Competent Evolutionarrow_forward
- 19. What is the term for a feature that allows an organism to survive better in its environment? * a. variation b. adaptation c. homologous structure d. vestigial structure 20. Charles Darwin found fossils that looked like ancient versions of living species. From this evidence Darwin suggested that Earth was * a. much more than 6000 years old. b. less than 6000 years old. c. only 6000 years old. d. about 1000 years oldarrow_forward3) A species of crayfish that lives in caves produces eyestalks like its above-ground relatives, but no eyes (unlike its above-ground relatives). Eyestalks in these cave-dwelling crayfish are an example of a. biogeographical evidence of evolution b. the law of succession c. convergent evolution d. a vestigial traitarrow_forward1. What are the evolutionary factors that contributed to Philippines' diverse flora and fauna. Discuss each factor and cite an example for each factor. I need a comprehensive discussion and examples.arrow_forward
- 1(a)choose one ecomorph and explain how the characteristics of that body type are adaptations to that ecomorph’s particular habitat. (b). Explain how the different ecomorphs are an example of adaptive radiation?arrow_forward6) Which mechanism can consistently produce "adapted" individuals through evolution? A) Gene flow B) Sexual selection C) Natural selection D) Genetic driftarrow_forwardHow do the concepts of gradualism and uniformitarianismin geology undermine the belief that Earth is only about 6,000 years old?arrow_forward
- Which of the following is a fossil? a. an insect encased in 10-millon-year-old tree sap b. a woolly mammoth frozen in Arctic permafrost for the last 50,000 years c. mineral-hardened remains of a whalelike animal found in an Egyptian desert d. an impression of a plant leaf in a rock e. all of the above can be considered fossilsarrow_forwardDarwin suggested that evolution takes place by (a) mutation (b) changes in the individuals of a species (c) natural selection (d) interaction of hormones during competition for resources (e) homeostatic responses to each change in the environmentarrow_forwardExaptations are traits that: a. prepare some organisms for future environmental changes. b. appear in lineages as a result of an adaptive radiation. c. evolve in anticipation of a species future needs. d. are useful in new situations before natural selection alters them for a new function. e. occur in animals, but not in plants.arrow_forward
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