Which of the following is the best example of reclamation of disturbed lands?
A: creating laws that regulate resource use to renew itself
B: releasing captive individuals of a species now extinct in nature into a former home area
C: growing crops on previous grazing land
D: restoring plant life to a former mine area
E: building a new wetland a mile away from one removed to make a highway
A: creating laws that regulate resource use to renew itself
B: releasing captive individuals of a species now extinct in nature into a former home area
C: growing crops on previous grazing land
D: restoring plant life to a former mine area
E: building a new wetland a mile away from one removed to make a highway
举一反三
- Of the following, which is the best example of reclamation of disturbed lands? A: restoring plant life to a former mine area B: growing crops on previous grazing land C: building a new wetland a mile away from one removed to make a new highway D: releasing captive individuals of a species now extinct in nature into a former home area E: creating laws that regulate resource use to renew itself
- Which of the following best describes monoculture? A: creating new strategies of disease resistant crops B: letting agricultural land go fallow C: tilling the land once over many years D: organic farming E: growing a single crop over a large area, year after year
- Which of the following is not included in the functional area of Yellowstone national park? A: original nature reserve B: special nature reserve C: park development zone D: park use area
- New laws to________wild life in the area have been publish.
- Over the last century, paleontologists have used small differences between fossil specimens to classify Triceratops into sixteen species. This classification is unjustified, however, since the specimens used to distinguish eleven of the species come from animals that lived in the same area at the same time. Which of the following, if true, would enable the conclusion of the argument to be properly drawn A: Not every species that lived in a given area is preserved as a fossil. B: At least one individual of every true species of Triceratops has been discovered as a fossil specimen. C: No geographical area ever supports more than three similar species at the same time. D: In many species, individuals display quite marked variation. E: (E) Differences between fossil specimens of Triceratops that came from the same area are no less distinctive than differences between specimens that came from different areas.