Which phylum includes club mosses and their close relatives?
a. Lycophyta
b. Pterophyta
c. Anthocerophyta
d. Bryophyta
Ans: a. Lycophyta
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Organisms of significant value to humans from the ____ phylum include truffles and morels
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
The feeding mode of leeches is described as
a. predaceous. b. internal parasitism. c. external bloodsucking. d. predaceous and external bloodsucking. e. predaceous, external bloodsucking, and internal parasitism.
Microscopic algae typically fall under the classification of:
a. nekton. b. phytoplankton. c. zooplankton. d. benthos. e. profundal microorganisms.
All of the following statements are true about the plasma membrane except?
A. Proteins are involved in signal transduction across the cell membrane B. Membrane proteins catalyze chemical reactions C. Integral proteins make channels in the membrane D. Small ions can cross the membrane via simple diffusion