Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 30, Problem 3TYU
The Cambrian radiation (a) occurred during the late Cambrian period (b) was a rapid evolution of new animal body plans during the middle Cambrian (c) was a result of prokaryotic and eukaryotic migration to many new regions (d) is supported by the great variety of Ediacaran fossils (e) b and c
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Chapter 30 Solutions
Biology (MindTap Course List)
Ch. 30.1 - Prob. 1LOCh. 30.1 - Prob. 1CCh. 30.2 - Compare the advantages and disadvantages of life...Ch. 30.2 - What are some advantages of marine environments...Ch. 30.2 - Prob. 2CCh. 30.3 - Prob. 3LOCh. 30.3 - Prob. 1CCh. 30.3 - Prob. 2CCh. 30.3 - Prob. 3CCh. 30.4 - Describe how biologists use morphology (including...
Ch. 30.4 - Cite specific examples of how data from molecular...Ch. 30.4 - Prob. 1CCh. 30.4 - What are some differences between protostomes and...Ch. 30.4 - Prob. 3CCh. 30 - Which of the following is not a characteristic of...Ch. 30 - Which of the following is not an adaptation to...Ch. 30 - The Cambrian radiation (a) occurred during the...Ch. 30 - The germ layer that gives rise to the outer...Ch. 30 - Prob. 5TYUCh. 30 - Prob. 6TYUCh. 30 - Prob. 7TYUCh. 30 - Prob. 8TYUCh. 30 - Prob. 9TYUCh. 30 - Prob. 10TYUCh. 30 - Prob. 11TYUCh. 30 - EVOLUTION LINK Examine the cladogram in Figure...Ch. 30 - Prob. 13TYUCh. 30 - Prob. 14TYU
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- Which of the following is not a hypothesis used to describe the sudden change in the diversity of lifeforms observed in the Cambrian Period? a. Increased continental drift creating greater terrestrial landmasses O b. Predator-prey arms race due to evolution of locomotion and development of exoskeletons O c. Evolution of the Hox genes which regulate complex body plans O d. Rising sea levels, increasing the volume of area species could occupy e. Continental flooding driving increased nutrient and mineral flux in the oceansarrow_forwardFlowering plants and mammals diversified and became dominant during the (a) Paleozoic era (b) Mesozoic era (c) Cenozoic era (d) Devonian period (e) Cambrian periodarrow_forwardWhich of the following periods is the earliest during which animals may have appeared? a. Ordovician period b. Cambrian period c. Ediacaran period d. Cryogenian periodarrow_forward
- The presence of homologous structures in two different groups of organisms suggests that (a) the organisms evolved from a common ancestor (b) convergent evolution has occurred (c) they belong to a polyphyletic group (d) homoplasy has occurred (e) independently acquired characters may evolve when organisms inhabit similar environmentsarrow_forwardAdaptive radiation is common following a period of mass extinction, probably because (a) the survivors of a mass extinction are remarkably well adapted to their environment (b) the unchanging environment following a mass extinction drives the evolutionary process (c) many adaptive zones are empty(d) many ecological niches are filled (e) the environment induces changes in the timing of development for many speciesarrow_forwardWhich statement is true about fossilization? (A) (B) (C) (D) Only animals with backbones (vertebrates) fossilize. Only animals with hard structures, such as bones or shells, fossilize. Animals always fossilize, but plante fossilize under certain conditions. All organisms fossilize, depending on the environmental conditions.arrow_forward
- In cladistic analysis, (a) ancestral characters are used to reconstructphylogenies (b) characters must be homoplastic (c) polyphyletic groups are preferred (d) outgroup analysis is rarely used (e) shared derived characters are the preferred evidence for relatednessarrow_forwardPenguins are flightless birds, however, they still have wings. This is an example of a (the) _______. A) Convergent Evolution B) Developmental homology C) HomoplasyD) Law of SuccessionE) Vestigial structure Then explain why the answer is correct and the others are notarrow_forwardIn interpreting a cladogram, (a) we can identify the specific ancestor of each taxon by tracing each branch back to the node closest to the root (b) taxa on the right side of a cladogram have evolved from the taxa on the left side (c) the relative placement of smaller branches allows us to determine the number of years since a particular taxon has evolved (d) we can determine relationships by tracing along the branches back to the most recent commonancestor (e) we must first identify horizontal gene transferarrow_forward
- The Age of Reptiles corresponds to the (a) Paleozoic era (b) Mesozoic era (c) Cenozoic era (d) Pleistocene epoch (e) Permian periodarrow_forward4) What makes Archeopteryx an important fossil evolutionarily? A)This species has a mix of characters that suggest it was a "transitional" species between two large groups, dinosaurs and birds. B)This species is the oldest known, universally agreed upon, fossil of life, and therefore tells up what the common ancestor to all living things might have been like. C)This species has a mix of characters that suggests is was a "transitional" species between two large groups, fish and amphibians. D)This species is thought to be the last common ancestor between chimps and humans, and therefore is the root of our own specific group (homonins).arrow_forwardThe Cambrian explosion is a conundrum: how can the long prior history of the phyla, revealed by molecular divergence, be reconciled with their absence, and then sudden appearance, in the fossil record?arrow_forward
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