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For a study comparing leisure activities of physical education students with those of other students, a researcher has randomly selected a ten percent sample of physical education students and one percent sample of non-physical education students for a list of students. what kind of sampling technique is this?

Which of the following would most likely be a preservationist, as opposed to a conservationist, approach to public land management? i. allowing unrestricted boat access to a lake ii. allowing atv use in all areas of public land iii. closing fragile sections of a park to tourists i only ii only iii only i and iii ii and iii

North american deer eat the leaves of shrubs and trees. american bison eat vegetation near the ground. both of these animals are prey to wolves and bears. which of the following human activities would most likely result in the growth of the north american deer population? a) increased bison hunting b) decreased clearing of land for farming c) decreased bear hunting d) decreased city building e) increased wolf hunting