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12. What groups of organisms are most A. Those with small populations. B. Those that migrate or need special habitats. C. Those with large populations that breed quickly. D. Those organism that are considered as prey for other animals. rtant to ocOsYstems?

12. What groups of organisms are most A. Those with small populations. B. Those that migrate or need special habitats. C. Those with large populations that breed quickly. D. Those organism that are considered as prey for other animals. rtant to ocOsYstems?

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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12. What groups of organisms are most in danger of extinction? A. Those with small populations. B. Those that migrate or need special habitats. C. Those with large populations that breed quickly. D. Those organism that are considered as prey for other animals. 13. Why is biodiversity important to ecosystems? A. It reduces the number of insects in a given ecosystem. B. It helps populations adapt to ecological changes. C. It increases at each level of the food chain. D. It allows animals to feed permanently from one type of plant. 14. Which of this is considered as major human causes of extinction today? A. Hunting and destroying habitats. B. Humans do not cause extinction. C. Polluting and introducing non-native species. D. Conyerting parcel of lands to residential places. 15. What do you call the illegal hunting of animals? A. Conservation B. Poaching C. Predation D. Symbiosis 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 D. Pollution B. Habitat destruction 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 D. Mass extinction
Transcribed Image Text:12. What groups of organisms are most in danger of extinction? A. Those with small populations. B. Those that migrate or need special habitats. C. Those with large populations that breed quickly. D. Those organism that are considered as prey for other animals. 13. Why is biodiversity important to ecosystems? A. It reduces the number of insects in a given ecosystem. B. It helps populations adapt to ecological changes. C. It increases at each level of the food chain. D. It allows animals to feed permanently from one type of plant. 14. Which of this is considered as major human causes of extinction today? A. Hunting and destroying habitats. B. Humans do not cause extinction. C. Polluting and introducing non-native species. D. Conyerting parcel of lands to residential places. 15. What do you call the illegal hunting of animals? A. Conservation B. Poaching C. Predation D. Symbiosis 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 D. Pollution B. Habitat destruction 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 D. Mass extinction
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