Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 25, Problem 4CT
Summary Introduction
To explain: The groups of vertebrates that were present during mass extinction event and those vertebrates that evolved afterward.
Concept introduction: The extinction is the phenomenon where the entire species dies with no surviving progeny. “The Great Dying” is the period where mass extinction of species occurred at the border between Paleozoic and Mesozoic eras. Several factors are said to have contributed to it namely severe volcanic activity, asteroid hitting the earth, and spontaneous release of carbon dioxide from sea floor deposits. After this severe extinction, a major natural selection occurred and a large set of species evolved to adapt to the new conditions.
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Chapter 25 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 25 - Deathly Lamprey Repellent Predation by sea...Ch. 25 - Deathly Lamprey Repellent Predation by sea...Ch. 25 - Prob. 3DAACh. 25 - Prob. 4DAACh. 25 - Prob. 1SQCh. 25 - Which of the traits listed above are retained by...Ch. 25 - Vertebrate jaw banes evolved from ___ . a. gill...Ch. 25 - Prob. 4SQCh. 25 - Tetra pods evolved from ___ . a. sharks b....Ch. 25 - Turtles, Lizards, and birds belong to one major...
Ch. 25 - Prob. 7SQCh. 25 - Prob. 8SQCh. 25 - Prob. 9SQCh. 25 - Feathers and hair consist mainly of ___ . a....Ch. 25 - Prob. 11SQCh. 25 - ______ have scaleless skin and a heart with three...Ch. 25 - Prob. 13SQCh. 25 - Prob. 14SQCh. 25 - Arrange the groups in order in which they evolved....Ch. 25 - In 1798, a stuffed platypus specimen was delivered...Ch. 25 - Controlling forbody size, would you expect a...Ch. 25 - Why is it more difficult to determine the sex of a...Ch. 25 - Prob. 4CT
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- Cartilaginous fishes made their first appearance in the fossil record between 444 and 419 MYA, which represents the starting and ending dates for the Carboniferous Period which represents the starting and ending dates for the Silurian Period which represents the starting and ending dates for the Cambrian Period which represents the starting and ending dates for the Jurassic Period which represents the starting and ending dates for the Devonian Periodarrow_forwardThe great apes made their first appearance in the fossil record between 23 and 2.6 MYA, which: represents the starting and ending dates for the Paleogene Period represents the starting and ending dates for the Cretaceous Period represents the starting and ending dates for the Jurassic Period represents the starting and ending dates for the Neogene Period represents the starting and ending dates for the Triassic Periodarrow_forwardThere have been five main mass extinctions. Match each mass extinction event to its description. 1. Permian extinction 2. Cretaceous-Tertiary extinction 3. Triassic extinction 4. Devonian extinction 5. Ordovician extinction a. This extinction was most likely due to a change in sea level. During this event, about 60% of all marine species were eliminated. b. This is the best-known mass extinction. It eliminated most large animals, including the dinosaurs. c. This was the most severe extinction event. About 96% of life on Earth died during this event. d. This extinction was most likely caused by climate change. About 80% of land animals died during this event. e. This extinction was most likely due to a change in sea level. It especially affected coral reefs.arrow_forward
- Transitional species are species important in helping scientists determine the evolutionary path that species have taken over long periods of time. Lobe-finned fishes are the ancestors of amphibians and have fossils that are found in rocks that are at least 380 million years old. Fossils of the oldest amphibian-like vertebrate animals with true legs and lungs are found in rocks that are approximately 363 million years old. Paleontologists have found a sample of rock that is approximately 370 million years old which contains what seems to be a link between lobe-finned fishes and amphibians. Which of the following is a characteristic that you would not expect to see in this transitional fossil? Question options: Skeletal structures that indicate the development of legs. An intermediate structure between lungs and gills. Teeth that are intermediate to the lobe-finned fishes and amphibians. A neck that is more flexible than lobe-finned fishes.arrow_forwardFeathers, which evolved from modified reptilian scales, show up in the fossil record at the end of the Period. This is the same Period where earlier true mammals also appear in the fossil record and diversify, although they stay quite small and rodent like. Permian Jurassic Cretaceous Triassicarrow_forwardThe “age of fishes”, which began with the Cambrian Period (about 541 million years ago), and ended with the Permian/Triassic extinction event (about 252 million years ago), is also known as: the Mesozoic Era the “age of birds and mammals” the Cenozoic Era the “age of reptiles” the Paleozoic Eraarrow_forward
- Mammal numbers, diversity, and size increased dramatically at the end of the Cretaceous because mammals were a group of theropods similar to the group that led to modern birds. mammals were viviparous, leading to greater reproductive success than in the dinosaurs. non-avian dinosaurs became extinct at that time. mammals evolved hollow bones, allowing them to escape from predatory dinosaurs. mammals evolved differentiated teeth that allowed them to outcompete non-avian dinosaurs.arrow_forwardBased on the maximum body volume of organisms preserved in the fossil record, body volume (as measured in log mm ) has increased over the last 3.5 billion years. The trend in growth over time is depicted in the graph where the x-axis is a measure of time in millions of years ago. Three boxes, each associated with a vertical dotted line that marks specific time points along the x-axis, have been provided. Place a check mark in the boxes to indicate when drastic increases in atmospheric oxygen are likely to have occurred. Body volume (log mm³) 4,000 2,000 1,000 Time (millions of years ago) 3,000 O Answer Bank ✓arrow_forwardExplain at least one reasonable hypothesis about what caused the extinction of the dinosaurs at theK–T extinction (abbreviation of Cretaceous–Tertiary extinction) also called the K–Pg extinction or Cretaceous–Paleogene extinction event about 66 million years ago.arrow_forward
- WRITE ABOUT A THEME: INTERACTIONS Animal life changedgreatly during the Cambrian explosion, with some groupsexpanding in diversity and others declining. Write a shortessay (100–150 words) interpreting these events as feedbackregulation at the level of the biological communityarrow_forwardDiscuss Triassic-Jurassic Extinction. Make sure to discuss the possible causes of the extinction, the index fossil that marked the extinction event, and finally, at least two species (can use the common name) that survived after.arrow_forwardPart A Which of the following statements regarding the diversification of animals is supported by the current available evidence? sponges are a paraphyletic group of organisms ctenophores are basal metazoans most animals belong to the clade Bilateria animals descended from multiple ancestors Submit Provide Feedback Request Answerarrow_forward
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