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11. 65 million years ago, an asterold collided with the carth off the coast of modem day Yucatan Peninsula, Mexico. In combination with other factors, like Increased volcanic activity, this asterold impacted liMing things in Irreversible ways, Sel correct statements regarding hOw these events could affect populations of organisms. O Mammals underwent adaptive radiation, filling niches that dinosaurs and other species left vacant as mass extinctions occurred. O The asteroid vaporized the dinosaurs, leaving fish and birds to diversify which decreased plant diversity. O Global temperatures cooled rapidly, decreasing plant production, which decreased herbivorous dinosaur populations. O Herbivorous dinosaur populations decreased, which reduced food for predatory dinosaurs. O Global temperatures increased due to the impact and increased volcanic activity; this increased plant production, which increased herbivore dinosaur size.

11. 65 million years ago, an asterold collided with the carth off the coast of modem day Yucatan Peninsula, Mexico. In combination with other factors, like Increased volcanic activity, this asterold impacted liMing things in Irreversible ways, Sel correct statements regarding hOw these events could affect populations of organisms. O Mammals underwent adaptive radiation, filling niches that dinosaurs and other species left vacant as mass extinctions occurred. O The asteroid vaporized the dinosaurs, leaving fish and birds to diversify which decreased plant diversity. O Global temperatures cooled rapidly, decreasing plant production, which decreased herbivorous dinosaur populations. O Herbivorous dinosaur populations decreased, which reduced food for predatory dinosaurs. O Global temperatures increased due to the impact and increased volcanic activity; this increased plant production, which increased herbivore dinosaur size.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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11.65 mllion years ago, an asterold collided with the earth off the coast of modem day Yucatan Peninsula, Mexico. In combination with other factors, like increased volcanic activity, this asterold Impacted llving things in Irreverslble ways. Select all correct statements regarding how these events could affect populations of organisms. Mammals underwent adaptive radiation, filling niches that dinosaurs and other species left vacant as mass extinctions occurred. The asteroid vaporized the dinosaurs, leaving fish and birds to diversify which decreased plant diversity. Global temperatures cooled rapidly, decreasing plant production, which decreased herbivorous dinosaur populations. Herbivorous dinosaur populations decreased, which reduced food for predatory dinosaurs. Global temperatures increased due to the impact and increased volcanic activity; this increased plant production, which increased herbivore dinosaur size. NEXT PREVIOUS 11 of 25 Sign out INTL O 10:18 24
Transcribed Image Text:11.65 mllion years ago, an asterold collided with the earth off the coast of modem day Yucatan Peninsula, Mexico. In combination with other factors, like increased volcanic activity, this asterold Impacted llving things in Irreverslble ways. Select all correct statements regarding how these events could affect populations of organisms. Mammals underwent adaptive radiation, filling niches that dinosaurs and other species left vacant as mass extinctions occurred. The asteroid vaporized the dinosaurs, leaving fish and birds to diversify which decreased plant diversity. Global temperatures cooled rapidly, decreasing plant production, which decreased herbivorous dinosaur populations. Herbivorous dinosaur populations decreased, which reduced food for predatory dinosaurs. Global temperatures increased due to the impact and increased volcanic activity; this increased plant production, which increased herbivore dinosaur size. NEXT PREVIOUS 11 of 25 Sign out INTL O 10:18 24
1. Cheatgrass (Bromus tectorum) is a species of fire-adapted grass that was Introduced by humans to the western United States in the 1880's. Fire-adapted specles not only survive frequent fires, some require fire to release nutrlents or allow seeds to germinate. The Great Basin Desert is characterized by sagebrush and cold temperatures. The Mojave Desert is characterized by creosote bush, cacti, and yucca plants and very hot temperatures. Both deserts get very infrequent ralnfall. Deserts are not fire- adapted ecosystems. Since Cheatgrass was introduced, It has invaded both the Great Basin and Mojave Deserts, where fires now occur as often as every 3 to 6 years. Select any statement that is likely to be true regarding the effects of the inrtoduction of cheatgrass. Fires destroy cheatgrass and halt its invasion. Desert plants will rapidly adapt to frequent fires. Cheatgrass seeds survive and spread with each fire cycle. The frequent fires help cheatgrass expand its range. Natural resource managers attempt to remove cheatgrass and re-establish native plants after fires occur. PREVIQUS 1 of 25 NEXT Sign out INTL 9 10:17 & back 7 4.
Transcribed Image Text:1. Cheatgrass (Bromus tectorum) is a species of fire-adapted grass that was Introduced by humans to the western United States in the 1880's. Fire-adapted specles not only survive frequent fires, some require fire to release nutrlents or allow seeds to germinate. The Great Basin Desert is characterized by sagebrush and cold temperatures. The Mojave Desert is characterized by creosote bush, cacti, and yucca plants and very hot temperatures. Both deserts get very infrequent ralnfall. Deserts are not fire- adapted ecosystems. Since Cheatgrass was introduced, It has invaded both the Great Basin and Mojave Deserts, where fires now occur as often as every 3 to 6 years. Select any statement that is likely to be true regarding the effects of the inrtoduction of cheatgrass. Fires destroy cheatgrass and halt its invasion. Desert plants will rapidly adapt to frequent fires. Cheatgrass seeds survive and spread with each fire cycle. The frequent fires help cheatgrass expand its range. Natural resource managers attempt to remove cheatgrass and re-establish native plants after fires occur. PREVIQUS 1 of 25 NEXT Sign out INTL 9 10:17 & back 7 4.
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