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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Please help with 44-47 for a thumbs up:)
Transcribed Image Text:44. Which activity causes the greatest loss of biodiversity?
A. soil erosion
B. air pollution
C. Water pollution
D. Habitat destruction
45. How can prescribed burns of grassland ecosystems improve biodiversity?
A. Fires restrict the spread of mineral nutrients trapped in biomass.
B. Fires allow new animal species to move in and consume the burned grasses.
C. Fires open new habitats and increase the successful growth of pioneer species.
D. Fires kill only invasive grasses and allow the range of native grasses to increase.
46. Increasing the biodiversity of an ecosystem would be likely to
A. increase the ecosystem's stability
B. make it harder for the ecosystem to thrive
C. reduce the number of species in the ecosystem
D. cause some species in the ecosystem to become extinct
47. Which statement does NOT apply to the destruction of tropical rainforests?
A. It provides for more pasture and farmlands.
B. It is done partly because of the need for lumber.
C. It threatens the existence of thousands of species.
D. It decreases the amount of carbon dioxide in the atmosphere.
minate EducationTM, Inc.
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