In communities and ecosystems, the types and numbers of species change in response to changing environmental conditions.
Answer the following statement true (T) or false (F)
True
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Each of the following adaptations are related to acquiring mates except
A) camouflage in peppered moths. B) the peacock's brilliant feathers. C) the "rib-bit" calls of frogs. D) deer antlers.
The Wild and Scenic Rivers Act of 1968 ________
A) is an agreement between the United States and Canada to protect rivers that cross the boundary between the two countries B) no longer protects waterways because the act has been repealed to build more hydroelectric dams C) limits dams to no less than 5 miles apart D) permits dams of no more than 10 feet in height to be built along a designated waterway E) completely prevents a designated waterway from being dammed
Consumer services include
A) educational, retail, wholesale, health and social, leisure, and hospitality jobs. B) educational, retail, wholesale, professional, and financial service jobs. C) educational, retail, wholesale, and financial service jobs. D) health and social, professional, and financial service jobs. E) wholesale, social, leisure, and information service jobs.
Which potential source of water pollution is a nonpoint source?
A. sewage treatment plant B. electric power plant C. active or inactive coal mine D. logged forest E. factory