3. All of the following species are considered to be extinct now, with the exception of: A. the longjaw cisco (due to introduction of an invasive species) B. the dusky seaside sparrow (due to environmental pollution) C. the Santa Barbara song sparrow (due to habitat disruption) D. the mountain lion (due to deliberate hunting by humans) E. the blue pike (due to excessive harvesting)

3. All of the following species are considered to be extinct now, with the exception of: A. the longjaw cisco (due to introduction of an invasive species) B. the dusky seaside sparrow (due to environmental pollution) C. the Santa Barbara song sparrow (due to habitat disruption) D. the mountain lion (due to deliberate hunting by humans) E. the blue pike (due to excessive harvesting)

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter57: Biological Diversity And Conservation Biology

Section: Chapter Questions

Problem 2TYU

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16. Tamaraw has been in the critically endangered list since the year 2000. One of the reasons is the habitat destruction that forced them to move further inland into the thick forest. Which of the following factors affect the population of the tamaraw? * A. disease and parasites B. emigration C. predation D. competition for resources 17. What conservation status is referred when there is no reasonable doubt that the last individual has died such as to what happen to the Saber-toothed tiger and Dodo? * A. Endangered B. Extinct C. Vulnerable D. Critically endangered
15. All of the following species are considered to be extinct now, with the exception of: A. the dusky seaside sparrow (due to environmental pollution) B. the gray wolf (due to deliberate hunting and killing by humans) C. the Santa Barbara song sparrow (due to habitat disruption) D. the longjaw cisco (due to introduction of an invasive species) E. the blue pike (due to excessive harvesting)
4. Which of the following species, either presently or formerly listed as endangered or threatened, has never been a real threat to human lives? A. grizzly bears in Yellowstone National Park B. gray wolves in Yellowstone National Park C. whooping cranes in Canada and Texas D. polar bears in the Alaskan wilderness E. mountain lions in California
5. The least effective way to conserve an endangered species (protect it from extinction) is: A. conservation of genetic material from an extinct species (like frozen cells from a mammoth) B. conservation of a domesticated (human-adapted) species in an artificial habitat (like a zoo) C. conservation of a wild species in a managed habitat (like the gray wolf in national parks) D. conservation of a wild species in a wild habitat (like the whooping crane in wetlands) E. all of the above are equally ineffective ways to conserve an endangered species
3. A keystone species in restoration of the Channel Islands (near the coast of Santa Barbara in California), is which of the following endangered species? A. the Kamchatka brown bear (Ursus arctos beringianus) B. the California gray fox (Urocyon cinereoargenteus) C. the grizzly bear (Ursus arctos horribilis) D. the polar bear (Ursus arctos maritimus) E. the island fox (Urocyon littoralis)
8. When there are absolutely no individuals left from a specific type of species, we consider them to be? * A. Threatened B. Extinct C. Endangered D. Invasive 9. Biodiversity can affect the stability of ecosystems and the sustainability of populations. * A. True B. False C. Maybe D. Not at all
1. When the rare Asiatic lion (Panthera leo persica) was reintroduced to the Chakia forest of India in 1957, their population size increased briefly, then disappeared by the late 1960s: A. probably because they were more accustomed to living in the city B. probably because they had less than half of the habitat space that they needed C. probably because they were hunted to extinction by humans D. probably because they got into territorial fights with the Siberian tiger E. probably because they were poisoned by DDT
16. Which is not a cause of extinction?. A. Animals eat too much B. Habitat loss C. Natural disasters D. over-hunting 17. How can you help prevent extinctions? A. By not polluting our environment. B. By protecting sensitive habitats and species. C. By not eating or buying products from endangered animals. D. By allowing other people to hunt for their food. 18. Which of the following was a natural factor that caused extinctions? A. Changes in the oxygen levels C. Over harvesting B. Habitat destruction D. Pollution 19. What do most scientists think caused the mass extinction of dinosaurs and other organisms at the end of the Cretaceous period? A. An object from space struck Earth. B. An ice age covered most of Earth with ice. C. The dinosaurs ate too many other organisms and then starved. D. Volcanic eruptions covered large areas with lava. 20. This.is the extinction of a species one by one, not a sudden loss of many species A. Background extinction B. Biotic potentíal C. Fragmentation…
C. Legally protecting endangered species D. Regulating hunting and fishing 34. A wooded area has been divided by a housing development and is threatenin What term is used to describe this threat from human activities? A. habitat fragmentation B. acid precipitation C. habitat augmentation D. global warming 35. Which of the following is NOT a characteristic of an invasive species? A. They grow rapidly and outcompete with other plants or animals B. They produce large numbers of seeds/offspring at a young age C. They have very specific needs or requirements to survive 36. Which of the following was NOT a cascade effect from introducing wolv A. The change in the shape/path of the river B. The change in elk grazing areas C. Destruction of the Yellowstone ecosystem P. Reduction in the coyote population, increasing the raptor populat
2. Janitor fish (Pterygoplichthys pardalis) live in the river dominates the other species inhabiting the same area. They compete for food, nutrients, and territory. Which of the following BEST describes a school of Janitor fish? * A. They are introduced species. B. They are keystone species. C. They are exotic species. D. They are invasive species.
5. Biodiversity is thought to be increased by all of the following symbiotic relationships except: A. mutualism (like fungi providing minerals and algae providing carbohydrates in a lichen) B. parasitism (the practice of "host-switching", like tapeworms targeting humans instead of pigs) C. competition (like gray squirrels competing with red squirrels in an oak forest) D. predation (the practice of "prey-switching", like wolves targeting elk instead of moose) E. commensalism (like barnacles hitching a ride across the ocean on a whale)
1. The French term parc (for privately-owned hunting preserves) has been around for centuries, but the first public park to be established (in the city of London, England) was: A. Mammoth Cave National Park (in 1941) B. Grand Canyon National Park (in 1919) C. Yellowstone National Park (in 1872) D. Yosemite National Park (in 1864) E. Victoria Park (in 1842)