Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 28.3, Problem 1CC
Explain why forams have such a well-preserved fossil record.
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Explain why forams have such a well-preserved fossilrecord.
Fossil foraminiferans are relevant sources of data in the study of biodiversity and of the past environmental conditions on Earth. Explain why forams have such a well-preserved fossil records that served as a valuable tool in scientific research.
writes a paragraph that describe the different types of evidence for the fact that tetropods evolved from fish.
Chapter 28 Solutions
Campbell Biology
Ch. 28.1 - Cite at least four examples of structural and...Ch. 28.1 - Summarize the role of endosymbiosis in eukaryotic...Ch. 28.1 - Prob. 3CCCh. 28.2 - Why do some biologists describe the mitochondria...Ch. 28.2 - WHAT IF? DNA sequence data for a diplomonad, a...Ch. 28.3 - Explain why forams have such a well-preserved...Ch. 28.3 - WHAT IF? Would you expect the plastid DNA of...Ch. 28.3 - Prob. 3CCCh. 28.3 - Prob. 4CCCh. 28.4 - Contrast red algae and brown algae.
Ch. 28.4 - Why is it accurate to say that Ulva is truly...Ch. 28.4 - Prob. 3CCCh. 28.5 - Contrast the pseudopodia of amoebozoans and...Ch. 28.5 - Prob. 2CCCh. 28.5 - Prob. 3CCCh. 28.6 - Justify the claim that photosynthetic protists are...Ch. 28.6 - Prob. 2CCCh. 28.6 - WHAT IF? High water temperatures and pollution...Ch. 28.6 - MAKE CONNECTIONS The bacterium Wolbachia is a...Ch. 28 - Describe similarities and differences between...Ch. 28 - What evidence indicates that the excavates form a...Ch. 28 - Prob. 28.3CRCh. 28 - On what basis do systematists place plants in the...Ch. 28 - Describe a key feature for each of the main...Ch. 28 - Prob. 28.6CRCh. 28 - Plastids that are Surrounded by more than two...Ch. 28 - Biologists think that endosymbiosis gave rise to...Ch. 28 - Prob. 3TYUCh. 28 - According to the phylogeny presented in this...Ch. 28 - In a life cycle with alternation of generations,...Ch. 28 - Based on the phylogenetic tree in Figure 28.2,...Ch. 28 - Prob. 7TYUCh. 28 - SCIENTIFIC INQUIRY Applying the If then logic of...Ch. 28 - WRITE ABOUT A THEME: INTERACTIONS Organisms...Ch. 28 - SYNTHESIZE YOUR KNOWLEDGE This micrograph show's a...
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- A divergence from ________ gave rise to tetrapods. a. ray-finned fishes c. cartilaginous fishes b. lizards d. lobe-finned fishesarrow_forwardExplain why remipedians were once thought to resemble ancestral crustaceans.arrow_forwardWrite a paragraph that describes the different types of evidence for the fact that tetrapods evolved from fisharrow_forward
- It can be argued that all tetrapods are a variation of fish. Explain how this could be true.arrow_forwardMembers of Chondrichthyes are thought to be descended from fishes that had.arrow_forwardExplain the significance of the discovery of Archaeopteryx. Why did this fossil demonstrate beyond reasonable doubt that birds are grouped phylogenetically with dinosaurs?arrow_forward
- Compare the general life-history patterns of salamanders with those of frogs. Which group shows a greater variety of evolutionary changes of the ancestral biphasic amphibian life cycle?arrow_forwardImagine if centaurs were real. Make a Cladogram (Evolutionary Origin) showing its closest relatives (most shared characteristics) and where modifications evolved.arrow_forwardIf members of a group, such as chordates , evolved from a common ancestor then they should show similarities in structure, which supports this hypothesis?arrow_forward
- The genus Sinitrofulgur includes whelk species that prey on Mercenaria bivalves. Which statement best illustrates an evolutionary arms race in the fossil record of these taxa? A. Over the same time period that the Mercenaria were evolving a thicker shell, their predators were also increasing in size. B. The Merceneria bivalves evolved lighter body sizes to better elude their predators which developed faster moving foot muscles. C. The whelks adapted to change the typical positions they assume when attacking their prey and competitors. D. The Sinitrofulgur specimens featured cracks in their shells as they become prone to injury when penetrating the thicker shells of the bivalve prey.arrow_forwardwhat percentage of sea turtles were around during the jurassic period?arrow_forwardAmphioxus long has been of interest to zoologists searching for a vertebrate ancestor. Explain why amphioxus captured such interest and how it is different from the hypothesized most recent common ancestor of all vertebrates.arrow_forward
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