A lichen is made up of algae and fungi living together. In this relationship, the alga is the producer and food source for the fungus and the fungus provides structure and physical support for the alga
This is an example of which symbiotic relationship?
A) Parasitism B) Mutualism C) Commensalism D) Amensalism
B
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"Multispectral remote sensing" refers to
A. the use of many different types of satellites to detect environmental features at a place. B. detecting energy at many wavelength bands of energy simultaneously. C. returning to the same site many times to analyze changes in the environment over time. D. the detection of features across a large part of Earth's surface at the same time.
Earth's "world ocean" contains ________ cubic kilometers of salt water
A) 1.32 thousand B) 1.32 hundred thousand C) 1.32 million D) 1.32 billion E) 1.32 trillion
In the Asian and Pacific regions the acronym APEC stands for
a. Asian-Pacific Economic Cooperation. b. Asian-Pacific Environmental Cooperation. c. Austronesian Paddle Export Corporation. d. Austronesian Pacific Exile Corporation. e. Austronesian Pacific Environmental Cooperative.
All of the following statements about AIDS are correct except:
a. Globally, AIDS is the leading cause of death amongst young people aged 25-44. b. The long incubation period for AIDS means that some people spread the virus for years before they realize they have the disease. c. Currently there is no cure for AIDS d. 90% of the people who suffer from AIDS do not use the drugs that can extend their life because they are not available in sub-Saharan Africa. e. None of these answers.