Which fungal phylum includes organisms that are of significant value to humans, such as the yeast Saccharomyces cerevisiae, antibiotic-producing species of Penicillium, truffles, and morels?
a. Ascomycota
b. Basidiomycota
c. Chytridiomycota
d. Glomeromycota
Answer: a. Ascomycota
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Chemical evolution concentrated the various smaller molecules into the more stable forms
a. True b. False Indicate whether the statement is true or false
Capillaries are
a. vessels found only in an open circulatory system. b. blood vessels with the largest diameter. c. blood vessels that transfer nutrients to tissues. d. only found in mammals, birds, and crocodilians. e. both a and c.
The mosses, liverworts, and hornworts are
members of which group?
a. conifers b. ferns c. gymnosperms d. bryophytes e. angiosperms
What factor is NOT involved in the movement of
water through a plant? a. transpiration pull b. the cohesion of water molecules c. hydrogen bonds d. the replacement of lost water molecules e. active transport