21. Which of the following species, either presently or listed as endangered or threatened, has never been a rea to human lives? A. grizzly bears (in Yellowstone National Park) B. gray wolves (in Yellowstone National Park) C. sea otters (along the California coastline) D. polar bears (in the Alaskan wilderness) E. mountain lions (in California)

21. Which of the following species, either presently or listed as endangered or threatened, has never been a rea to human lives? A. grizzly bears (in Yellowstone National Park) B. gray wolves (in Yellowstone National Park) C. sea otters (along the California coastline) D. polar bears (in the Alaskan wilderness) E. mountain lions (in California)

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter21: Conservation And Biodiversity

Section: Chapter Questions

Problem 8RQ: Certain species of parrot cannot be brought to the United States to be sold as pets. What is the...

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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)
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
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)
42. Which of the following would not be illegal under the Endangered Species Act? A. Having a permit to capture an endangered species for.research B. Digging up an endangered plant in your backyard and selling it C. Destroying the habitat of an endangered plant during the building of a federal highway D. Capturing a wild animal listed as a threatened species for exhibition in a zoo, provided the animal was well cared. 43. Which of the following would not be illegal under the Endangered Species Act? A. Having a permit to capture an endangered species for research B. Digging up an endangered plant in your backyard and selling it C. Destroying the habitat of an endangered plant during the building of a federal highway D. Capturing a wild animal listed as a threatened species for exhibition in a zoo, provided the animal was well cared. 44. Which situation illustrates the relationship between a limiting factor and population density? A. When birth rate is greater than death rate, population…
2) Explain the immediate and secondary effects of removing otters from a kelp forest ecosystem. (use the word: keystone species, biodiverse/biodiversity)
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
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)
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. Destruction of the Yellowstone ecosystem D. Reduction in the coyote population, increasing the raptor population 37. Which of the following are things you can do to help preserve biodiversity? A. Volunteer with citizen science or other organizations like it B. Buy park passes and visit the parks respectfully C. Live more sustainably by making eco-friendly consumer choices D. All of the above
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
Certain species of parrot cannot be brought to the United States to be sold as pets. What is the name of the legislation that makes this illegal? a. Red List b. Migratory Bird Act c. CITES d. Endangered Species Act (ESA)