Biology: The Unity and Diversity of Life (Looseleaf)
15th Edition
ISBN: 9781337408417
Author: STARR
Publisher: CENGAGE L
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Chapter 48, Problem 1SQ
Summary Introduction
To explain: Whether the statement “Most species that evolved have already become extinct” is true or false.
Introduction: Extinction is a process of termination of one species or group of species. The species formed get extinct on an ongoing basis.
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Common descent with modification implies that all species can trace their ancestory back to a shared ancestral organism
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99.9% of all species that have ever existed on earth, are extinct *
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Would it be possible to bring extinct species back?
In an article it was expressed how brinng extinct species back is still very futuristic, and we should aim at a smaller creature. Using a smaller sized species like the Christmas rat can set up scientists for potentially larger species. There is a major issue that comes up and that is incomplete genes. It makes it difficult to even compare modern day rat to the Christmas rats' genome because their genes are specialized and as more time passes, the harder it is to have a match. The article also talked about using modern day elephants to make a woolly elephant, meaning they don't want a perfect match. Rather, scientists want to make hybrids since it could be more realistic.
Chapter 48 Solutions
Biology: The Unity and Diversity of Life (Looseleaf)
Ch. 48 - Bioaccumlation in tuna Bluefin tuna are among the...Ch. 48 - Prob. 2DAACh. 48 - Prob. 3DAACh. 48 - Prob. 4DAACh. 48 - Prob. 1SQCh. 48 - Prob. 2SQCh. 48 - Prob. 3SQCh. 48 - Prob. 4SQCh. 48 - Prob. 5SQCh. 48 - With biological magnification, a ___ will have the...
Ch. 48 - Prob. 7SQCh. 48 - Prob. 8SQCh. 48 - Global climate change is causing ___ . a. a...Ch. 48 - Prob. 10SQCh. 48 - A highly threatened region that is home to many...Ch. 48 - Prob. 12SQCh. 48 - Prob. 13SQCh. 48 - Prob. 14SQCh. 48 - Prob. 15SQCh. 48 - Two arctic marine mammals that live in the same...Ch. 48 - Prob. 2CTCh. 48 - Prob. 3CTCh. 48 - Prob. 4CT
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- Among the descendants of the ancestor common to lineages A and B, how many total extinction events have occurred in the past 1 million years?arrow_forwardWhat is adaptive Radiation It is when radiation cause mutations It is when animals adapted to solar radiation It is when a species rapidly adapts to many new and open environmentsarrow_forwardTrue or false? Fossils can be body parts of ancient organisms such as bones,shells,teeth or plant leavesarrow_forward
- The Galápagos Islands in the Pacific Ocean have varied habitats. Divergent evolution is occurring on these islands. What meaning does it imply? * Have lived unchanged through long periods of stability. Change in response to changes in other species they interact with Had common ancestors but have become increasingly different Are becoming more like each other in response to their habitats no answerarrow_forwardHow does Lamarck’s idea of “use or disuse” differ from Darwin’s idea, which was later called “descent with modification”? Short answer please guys help mearrow_forwardQuestion 2 Which term refers to the evolution of similar traits in distantly related species? coevolution O adaptive radiation founder effect divergent evolution O convergent evolutionarrow_forward
- new species divergence Which row below identifies the model of evolution shown in this diagram and offers the best explanation of this model? The statement above is best completed by the answers in row: Row Model Explanation evolutionary history consists of long periods of equilibrium where there is little change, interrupted by periods of speciation gradualism punctuated equilibrium gradual change occurs steadily in a linear fashion; big changes (such as the evolution of a new species) occur as a result of many small changes gradual change occurs steadily in a linear fashion; big changes (such as the evolution of a new species) occur as a result of many small changes gradualism punctuated equilibrium evolutionary history consists of long periods of equilibrium where there is little change, interrupted by periods of speciation Timearrow_forwardYou are examining the fossil record and notice a dramatic decrease in species diversity that seems to span across multiple groups of organisms within a very short period of time. This could most likely indicate: The beginning of a new geologic period A mass extinction event A major evolutionary breakthrough An artifact of poor fossil preservation adaptive radiationarrow_forwardWhy do some species survive while others go extinct? Explainarrow_forward
- In _____________, new species of a lineage move into a wide range of habitats by way of bursts of microevolutionary events. a. an adaptive radiation b. natural selection c. genetic drift d. punctuated equilibriumarrow_forwardWhat is the difference between micro- and macroevolution? a. Microevolution describes the evolution of small organisms, such as insects, while macroevolution describes the evolution of large organisms, like people and elephants. b. Microevolution describes the evolution of microscopic entities, such as molecules and proteins, while macroevolution describes the evolution of whole organisms. c. Microevolution describes the evolution of populations, while macroevolution describes the emergence of new species over long periods of time. d. Microevolution describes the evolution of organisms over their lifetimes, while macroevolution describes the evolution of organisms over multiple generations.arrow_forwardMatch the terms with their most suitable description taxonomy naming and classifying species hypothesis a tentative answer to a questior evolution unequal reproductive success natural selection ability of the organism to adapt +arrow_forward
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