Lichen are made up of algae and fungi living together. In this relationship, the alga is the produce 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
E) synnecrosis


B

Environmental & Atmospheric Sciences

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A climate is classified as "dry" if it receives less than 30 centimeters of rain annually, on average

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The ice ages are caused by:

a. the drift of the continents. b. the eruption of supervolcanoes. c. the sunspot cycle. d. minor changes in Earth's rotation and orbit. e. variations in solar output.

Environmental & Atmospheric Sciences

A truly educated person is knowledgeable about

A. science. B. religion. C. the arts. D. all of the above

Environmental & Atmospheric Sciences

Which of the following best matches the description?The office of the President of the United States.

A. World Bank B. Environmental Quality Amendment C. executive branch D. legislative branch E. Earth Day F. wise-use G. judicial branch H. command and control I. NGO J. policy

Environmental & Atmospheric Sciences