Bacterial endospores are among the most resistant forms of life known to science
a. true
b. false
Ans: a. true
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The genetic preservation of the features that increase the likelihood of survival and reproduction of some individuals within a population is called the process of
A. increasing evolutionary resistance. B. creation of new species. C. genetic drift. D. outcrossing. E. natural selection.
Diversity refers to:
a. the abundance of species. b. the biomass of organisms. c. the abundance and biomass of organisms. d. the number of species. e. the number of individuals of a species.
What is one possible advantage to targeting quorum-sensing mechanisms for antibiotic development?
A) There may be no selective advantage to individual cells that are resistant to quorum-sensing inhibitors. B) There is a selective advantage to those cells lacking a quorum-sensing system. C) Quorum-sensing mechanisms are found in all pathogenic bacteria. D) Quorum-sensing mechanisms are found only in human pathogens.
The above figure represents __________, a group of
parasitic fungi that are killing amphibians around the world. a. Chytrids b. Ascomycetes c. Basidiomycetes d. Glomeromycetes e. Zygomycetes