Which of the following produce organic acids that may contribute to weathering of rocks?
A. arctic plants
B. water plants
C. aerial plants
D. lichens
E. mosses
D. lichens
Biology & Microbiology
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Which of the following is true regarding hagfish and lampreys?
A. They are characterized by a bony lower jaw. B. They are invertebrates. C. They are bony fish. D. They are vertebrates.
Biology & Microbiology
The letter “B” in the above figure represents
a. transverse. b. radial. c. tangential. d. elliptical. e. obtuse.
Biology & Microbiology
Which of the following represents the best single
source of vegetable protein for humans? a. rice b. quinoa c. beans d. lentils e. tofu
Biology & Microbiology
Biological wealth is the source of
a. food. b. medicine. c. ecotourism. d. economic opportunity e. all of these.
Biology & Microbiology