Which of the following gymnosperms undergoes double fertilization?
A. angiosperms, not gymnosperms,
demonstrate double fertilization
B. cycads
C. gnetophytes
D. epiphytes
E. ginkgos
C
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Archaea and bacteria are involved in which of the following cycles? (Select all correct choices.)
A. the nitrogen cycle B. the carbon cycle C. the sulfur cycle
Compared to uric acid, using urea as the main form of nitrogenous waste requires
a. more energy and water. b. less energy and water. c. more energy and less water. d. the same amount of energy and water. e. less energy and more water.
A piece of petrified wood was once part of a living organism that has had its tissues replaced by minerals. Which property of life will still be present in the wood?
a) response to stimuli b) organization c) growth and reproduction d) metabolism e) homeostasis
Which groups of fungi have the ability to reproduce both sexually and asexually?
A) Chytridiomycota and Zygomycota B) Zygomycota and Ascomycota C) Ascomycota and Basidiomycota D) Basidiomycota and Deuteromycota