An ecosystem consists of:
A. The species with which a biological community interacts
B. A biological community and its physical environment
C. The primary producers within a biological community
D. All the species in a biological community
E. A physical environment within which a biological community lives
Answer: B
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The people least vulnerable to air pollution are
a. infants b. elderly people c. adult males d. people with heart and respiratory disease e. pregnant women
There are less than 2000 wolves living in the United States and about 50,000 wolves in Canada. What Canadian management policy is a major contributor to the flourishing of wolves in Canada?
A) The forced migration of American wolves to Canada. B) Restriction in hunting causing an overpopulation of deer in Canada. C) The creation of large wilderness areas. D) The United States issues more hunting permits for wolves than Canada.
What is the collection of physical and human geographic features on Earth's surface called?
a. a model b. a map c. a region d. a landscape e. a projection
Highly fluid basaltic lava may cool with a smooth, ropy surface called pahoehoe, whereas lower temperature, slower flowing, more viscous basaltic lava commonly has a rough, blocky texture called aa.
Answer the following statement true (T) or false (F)