Linnaeus was best known for his greatest contribution of ____
A) ?theory of evolution and natural selection
B) ?classification system based on hierarchy, a grouping of objects by degrees of complexity, grade, or class
C) ?a complex food web consisting of producers, consumers, and decomposers
D) ?a simplified trophic pyramid of phytoplankton, zooplankton, and nektons
B
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Food production, transportation, home energy use and resource use have major impacts on the environment. Give two examples of how you can reduce your environmental impact for each activity.
What will be an ideal response?
What is a correct modification of a physical property of water by changing its salinity?
a. Freezing point increases with salinity. b. Boiling point decreases with salinity. c. Seawater evaporates faster than freshwater. d. Osmotic pressure rises with increasing salinity. e. Heat capacity increases with increasing salinity.
You want to have the best outdoor experience possible, experiencing life in the least disturbed ecosystems in the United States. The best place to visit would be a
A) state park with camping and RV facilities. B) wilderness area of a national forest or park. C) military property with some natural habitats. D) wildlife refuge adjacent to a large urban community.
The speed of a deep-water wave is proportional to ________
A) water depth B) wave frequency C) wave height D) wave speed or celerity E) wavelength