Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 19, Problem 15SQ
Chronologically arrange the evolutionary events, with 1 being the earliest and 6 the most recent
| _____1 | a. onset of oxygen-releasing pathway of photosynthesis |
| _____2 | b. origin of mitochondria |
| _____3 | c. origin of protocells |
| _____4 | d. emergence of the first eukaryotes |
| _____5 | e. origin of chloroplasts |
| _____6 | f. the big bang |
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The concept of endosymbiosis as applied to chloroplast and mitochondria found in eukaryotes: a) is based on evidence that Chloroplasts and Mitochondria were originally prokaryotes, b) changes present day animals into plants, c) explains how chemical evolution caused the appearance of life, d) allowed chloroplasts to carry out aerobic metabolism, e) all are true.
why was the first mini threshold of life's evolution, photosynthesis, so important?
a. it helped plants move onto land
b. it transformed our atmosphere from oxygen-rich to carbon dioxide-rich
c. it allowed life to spread beyond oceanic vents
d. it forced organism to become multicellular to process more complex energy
Chronologically arrange the evolutionary events with 1 being the earliest and 6 the most recent.
____
1
a. Onset of oxygen-releasing pathway of photosynthesis
____
2
b.Liquid water appears
____
3
c.Origin of protocells
____
4
d. Emmergence of the first eukaryotes
____
5
e. Origin of chloroplasts
____
6
f. The big bang
Chapter 19 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 19 - According to the big bang theory, _______. a. the...Ch. 19 - An abundance of _______ in Earth's early...Ch. 19 - The Changing Earth Studies of ancient rocks and...Ch. 19 - Prob. 2DAACh. 19 - Prob. 3DAACh. 19 - Prob. 4DAACh. 19 - Stanley Millers experiment demonstrated...Ch. 19 - According to one hypothesis, negatively charged...Ch. 19 - The prevalence of _______ in living organisms is...Ch. 19 - Prob. 6SQ
Ch. 19 - Among prokaryotes, only the cyanobacteria _______....Ch. 19 - The evolution of _____ resulted in an increase in...Ch. 19 - Bacteria that cause the disease typhus arc close...Ch. 19 - Infoldings of the plasma membrane into the...Ch. 19 - Prob. 11SQCh. 19 - A stromatolite is a structure __________. a....Ch. 19 - Prob. 13SQCh. 19 - Evidence that Mars __________ suggests that it may...Ch. 19 - Chronologically arrange the evolutionary events,...Ch. 19 - Researchers looking for fossils or the earliest...Ch. 19 - The astronomer Carl Sagan once said, "We are made...Ch. 19 - How did the evolution of oxygen-releasing...
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- Arrange these events in order of occurrence, with 1 being the earliest and 6 the most recent: ___1 a. Earths first seas form ___2 b. origin of mitochondria ___3 c. first protocells form ___4 d. Precambrian ends ___5 e. origin of chloroplasts ___6 f. first animals appeararrow_forwardThe oxygen revolution changed Earth’s environmentdramatically. Which of the following took advantage of thepresence of free oxygen in the oceans and atmosphere?(A) the evolution of cellular respiration, which used oxygen tohelp harvest energy from organic molecules(B) the persistence of some animal groups in anaerobichabitats(C) the evolution of photosynthetic pigments that protectedearly algae from the corrosive effects of oxygen(D) the evolution of chloroplasts after early protists incorporated photosynthetic cyanobacteriaarrow_forwardWhy do scientists believe that mitochondria evolved before chloroplasts? A. because all eukaryotic cells have mitochondria but not all eukaryotic cells have chloroplasts B. because mitochondria are more efficient than chloroplasts C. because mitochondria live longer than chloroplasts D. because mitochondria are larger and stronger than chloroplasts Chrome OS Wienarrow_forward
- 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 prokaryotesarrow_forwardDuring the Early _______________, life consisted of prokaryotic cells, but by the end of this geologic time span, multicellular eukaryotic organisms had evolved. (a) Cenozoic era (b) Paleozoic era (c) Mesozoic era (d) Archaean eon(e) Proterozoic eonarrow_forwardThe extra energy required for the evolution of the highly complex eukaryotic cell was possible because: a) mesosomes released enzymes into the nucleus b) two types of prokaryotic bacteria became endo symbiotic invaders of the complex cells c) the DNA of the eukaryote cell functions within the nucleoid area d) chloroplasts were able to use O2 to conduct photosynthesis e) the space between the two layers of the nuclear membrane contained mitochondriaarrow_forward
- Which 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_forwardOn a phylogenetic tree, the length of branches is a.) The comparison of homologous DNA and RNA sequences provided by Woese. b.) The separation of living organisms into three domains c.) The point in evolution when, based on scientific evidence, an ancestor is thought to have diverged to form two new species. d.) Proportional to the time elapsed since the split.arrow_forwardWhat event is thought to have contributed to the evolution of eukaryotes? a. global warming b. glaciation c. volcanic activity d. oxygenation of the atmospherearrow_forward
- A scientist discovered a new group of unicellular organisms that lack mitochondria but possess an organelle related to the endoplasmic reticulum and is involved in energy production. The scientist hypothesizes that this organelle might be a missing link in the evolution of mitochondria. A) Do you agree with this hypothesis? Explain. B) Based on the available evidence, what is the most likely hypothesis for the origin of mitochondria? Provide four pieces of evidence to support this theory and justify why they are valid.arrow_forwardWhich of the evolutionary sequences below does NOT represent how chloroplasts were derived? A.cyanobacteria → red algae →brown algae B.cyanobacteria → green algae → land plants C. cyanobacteria → green algae → fungi → land plants D. cyanobacteria → green algae → red algaearrow_forwardFossilized stromatolites(A) formed around deep-sea vents.(B) resemble structures formed by bacterial communities that are found today in some shallowmarine bays.(C) provide evidence that plants moved onto landin the company of fungi around 500 million years ago.(D) contain the first undisputed fossils of eukaryotes.arrow_forward
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Endosymbiotic Theory; Author: Amoeba Sisters;https://www.youtube.com/watch?v=FGnS-Xk0ZqU;License: Standard Youtube License