Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Textbook Question
Chapter 16, Problem 1SQ
The number of species on an island depends on the size of the island and its distance from a mainland. This statement would most likely be made by _____.
- a. an explorer
- b. a biogeographer
- c. a geologist
- d. a philosopher
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Chapter 16 Solutions
Biology: The Unity and Diversity of Life
Ch. 16 - Discovery of Iridium in the KPg Boundary Layer In...Ch. 16 - Discovery of Iridium in the KPg Boundary Layer In...Ch. 16 - The number of species on an island depends on the...Ch. 16 - Evolution ________. a. is change in a line of...Ch. 16 - The process in which environmental pressures...Ch. 16 - The dinosaurs died out ______ million years ago.Ch. 16 - The bones of a birds wing are similar to the bones...Ch. 16 - A trait is adaptive if it ______. a. arises by...Ch. 16 - Darwin and Wallace proposed the hypothesis that...Ch. 16 - Prob. 8SQ
Ch. 16 - Which of the following is not a fossil? a....Ch. 16 - Prob. 10SQCh. 16 - If the half-life of a radioisotope is 20,000...Ch. 16 - Prob. 12SQCh. 16 - On the geologic time scale, life originated in the...Ch. 16 - Forces that cause geologic change include _____...Ch. 16 - Match the terms with the most suitable...Ch. 16 - Natural selection makes an adaptive trait more...Ch. 16 - Radiometric dating does not measure the age of an...Ch. 16 - If you think of geologic time spans as minutes,...
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- There is recent evidence shows that lakes are being affected by acid rain. Acid rain results in? A. An increase in game fish population levels B. The stimulation of a rapid rate of evolution C. The elimination of many species of aquatic life. D. An increase in agricultural productivityarrow_forwardIf populations of white rhinoceros (Ceratotherium simum) continue to decline, one approach to prevent extinction would be captive breeding. How does this process work? a. The remaining animals are moved into captivity to try to increase the population, after which they are reintroduced into the wild. b. The remaining animals are moved to a national park. c. The remaining animals are taken to the largest zoos so more people can see theam. d. A few individuals are moved to an outdoor enclosure to ensure that mates are available.arrow_forwardWhich term describes the process whereby toxic substances increase along trophic levels of an ecosystem? a. biomassification b. biomagnification c. bioentropy d. heterotrophyarrow_forward
- Which is not a factor that leads to the extinction of a species? A. disease b. individuals c. genetic mutations d. adapatation e. climatearrow_forwardWhichstatement about organisms’ “niches” is false?a.The niche summarizes environmental factors influencing growth, survival,and reproduction of a species.b.The niche concept was developed by Joseph Grinnell and Charles Elton.c.The “fundamental” niche refers to physical, but notbiological, aspects of the environment.d.Interactions such as competition and parasitism may restrict the size ofan organism’s niche.e.In the laboratory, two species with identical niches are especially easyto maintain in a mixed culture.arrow_forwardIf there were to be an abrupt change in the climate system, what would be the effect on human civilization? a. it would accelerate climate impacts by a decade or more b. it would require geoengineering to reverse the effects c. it may or may not be a serious concern, depending on the event d. it would be a catastrophe and nearly impossible to managearrow_forward
- Which statement comparing island biogeography to mainland biogeography is true? A. The slope of species richness to area should be steeper for mainland species than for island species. B. Mainland sites should experience higher rates of immigration than island sites. Mainland sites should experience higher rates of extinction than island sites. C. D. On the mainland, extinction rate increases with area faster than immigration rate does, whereas the opposite is true for islands. E. Extinction rates would be the same for mainland and island sites.arrow_forwardIn the Orca/sea otter/sea urchin/kelp system mentioned in another question, which species would be most affected by a spill of mercury or other fat soluble toxin into the ecosystem? Group of answer choices a. sea urchin b. kelp c. orca d. sea otterarrow_forwardOrcas working together to create a current that knocks a seal off of an ice floe is an example of _______________. a. interspecific cooperation b. interspecific competition c. intraspecific cooperation d. intraspecific competitionarrow_forward
- What happened to the population of blue whales after hunting them was banned? A There was a substantial increase in whale numbers. В There was a slight increase in population. C There was a slight decrease in population numbers. D There was no effect.arrow_forwardOrganisms belonging to the same species usually interbreed with one another. Exceptions to this can be found in some A. reptiles B. mammals C. plants D. vertebratesarrow_forwardslands are well known for having many endemic (unique) species. What is a likely explanation for this pattern? A. Humans bring partly or fully domesticated species with them when they arrive on islands. B. Colonizers encounter fewer competitors on an island, so they can diversify. C. Islands are more complex habitats than continents are, so they have more niches for specializations. D. Colonizers are likely to have more diversity than local populations and thus outcompete them. E. The type of organism that is a good colonizer has more than the average amount of genetic variability, so it's more likely to speciate.arrow_forward
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