Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Chapter 15, Problem 10TYK
Summary Introduction
Introduction:
Eras and periods are separated by major transitions in life-forms, often caused by extinctions. The geological record is established is based on the sequence and ages of rocks and fossils.
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Place these events in the history of life on Earth in the order that they occurred. a. accumulation of O2 in Earth’s atmosphere b. colonization of land by plants and fungi c. diversification of animals (Cambrian explosion) d. origin of eukaryotes e. origin of humans f. origin of multicellular organisms g. origin of prokaryotes
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Chapter 15 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 15 - Using the figure below, describe the stages that...Ch. 15 - Fill in this concept map about systematics.Ch. 15 - Prob. 3TYKCh. 15 - Prob. 4TYKCh. 15 - Prob. 5TYKCh. 15 - Adaptive radiations may be promoted by all of the...Ch. 15 - A swim bladder is a gas-filled sac that helps fish...Ch. 15 - Prob. 8TYKCh. 15 - Which of the following could provide the best data...Ch. 15 - Prob. 10TYK
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- Which of the following describes the organisms and/or processes that were most influential in the creation of early Earth ecosystems? a. Extinction of animals and domination of plants b. Build up the greenhouse gas carbon dioxide c. Prokaryotic production of an oxygen rich environment d. Eukaryotic growtharrow_forwardA group of environmentalists is studying the effects of recent commercial zoning to wildlife acreage on the biodiversity of a rural county. The group noted a steady decline in the population of animals, while bacteria and other protists remained constant. Which statement best discusses the reasons for the steady decline of animals as opposed to the protists? A. Bacterial growth is usually not affected by environmental changes because of asexual reproduction. B. The animals could not adapt to the new environment. C. Bacteria lived in areas that were not affected by the zoning D. The animals became susceptible to human and environmental harm.arrow_forwardWhich of the following is thought to be the most closely related to the common animal ancestor? a. fungal cells b. protist cells c. plant cells d. bacterial cellsarrow_forward
- Which of the following statements is correct? Please select all that apply. Select one or more: a. Parasitism between bacteria and archaea caused complex interactions that eventually gave rise to eukarya. b. While bacteria are prokaryotes, archaea are neither prokaryotic, nor eukaryotic but classified as a 3rd cell type. c. Prokaryotes are classified further based on whether they are unicellular or multicellular organisms. d. The molecular biologies of archaea and eukarya show a greater proportion of similarities than those of eukarya and bacteria. e. Prokaryotes could not make photosynthesis until chloroplast endosymbiosis evolution. f. The last universal common ancestor most likely had a primitive prokaryotic cell organization. g. Endosymbiosis of chloroplast precedes that of mitochondria.arrow_forwardA) single-cell organisms, Cyanobacteria B) mammal formed, fish, reptiles C) Cyanobacteria, single cell organisms D) multi-cellular, fish, amphibiansarrow_forwardWhich of the following events occurred first in eukaryotic evolution? a. Endosymbiosis and mitochondria evolution b. Endosymbiosis and chloroplast evolution c. Compartmentalization and formation of the nucleus d. Formation of multicellular organismsarrow_forward
- Draw a simple cladogram illustrating the relationships among the following: Common ancestor of all organisms, domain Eukarya, domain Bacteria, domain Archaea. To which domain do the organisms informally known as protists belong? To which domain do you belong?arrow_forwardWhich of the following statements is true? A. Archaea and bacteria have identical membrane lipids. B. The cell walls of archaea lack peptidoglycan. C. Prokaryotes have low levels of genetic diversity. D. No archaea are capable of using CO2 to oxidize H2 releasing methane.arrow_forwardWhich of the following is evidence that eukaryotes and prokaryotes share a common ancestor? a.All eukaryotes and prokaryotes use organic molecules as an energy source. b.All eukaryotes and prokaryotes are capable of mitosis. c.All eukaryotes and prokaryotes contain ribosomes. d.All eukaryotes and prokaryotes contain linear DNA.arrow_forward
- Which of the following statements supports the concept of the endosymbiotic theory? A. Proteins may be trafficked within the endomembrane system. B. Ribosomes are present in the cytoplasm of prokaryotic cells and eukaryotic cells. C. Chloroplasts have many features in common with bacteria. D. Mitochondria can fuse together to form larger organelles within eukaryotic cells.arrow_forward1. The key events in life’s history given below: I. First eukaryotes II. Earliest multicellular eukaryotes III. Colonization of land by fungi, plants, and animals IV. Cambrian explosion V. First prokaryotes. Which is the correct sequence of events? a. I, V, IV, II, III b. V, II, I, III, IV c. I, V, II, III, IV d. V, I, II, IV, III 2. Why is PCR useful? a. Because it replicates all the DNA in the cell b. Because it produces a heat-tolerant DNA polymerase c. Because it occurs on an automated device d. Because it can produce large amounts of DNA from small amountsarrow_forwardWhy is the classification of protists based on DNA sequences useful? * a. Because only protists have DNA b. Because it has confirmed the traditional categories for protists c. Because it has revealed evolutionary relationships, even among organisms that look diffferent d. All of the above are correct This is a required question (2) Why is a species with small population more likely than one with a large population to undergo an extinction? * a. Because small population are exposed to greater environmental changes b. Because genetic diversity is likely to be lower in a small population c. Because the mutation rate is too low d. Because they take too long to produce an offspring.arrow_forward
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