Which of the following would be the best evidence to demonstrate that mushrooms are living, reproducing organisms?
A) flagellated sperm
B) pollen
C) lignin
D) spore production and dispersal
Answer: D
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Mutations in bacterial porins can lead to antibiotic resistance typically by
A) closing the ?-helix of the porin. B) limiting the passage of nonpolar substances. C) blocking entry of the antibiotic. D) disrupting the voltage of the gated channel. E) all of the above
Members of which fungal phylum form associations with approximately 90% of land plants by forming mycorrhizae
with them?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
The protists are a group that can best be defined as "any eukaryote that is not a plant, animal, or fungus."
Indicate whether the statement is true or false
Which of the following can be measured to estimate an organism's evolutionary fitness?
A) The number of offspring it produces over its lifetime that survive to breed B) The number of gametes it produces over its lifetime C) The size of its offspring D) The number of eggs it produces over its lifetime E) The number of offspring it produces over its lifetime