A minute is the basic unit of map distance in bacteria
Indicate whether the statement is true or false
TRUE
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Which of the following statements about the evolution of complex multicellularity is true?
A. Complex multicellularity evolved independently at least six times in different groups of organisms. B. Complex multicellularity evolved twice: once in the common ancestor of plants and fungi and once in animals. C. Complex multicellularity evolved once in the common ancestor of all eukaryotic organisms. D. Complex multicellularity evolved independently in prokaryotes and eukaryotes. E. Simple multicellular organisms evolved from complex multicellular ancestors.
Reproduction in glomeromycetes is typically ____ via spores that form ____
a. sexual; in sporangia b. asexual; at the tips of hyphae c. sexual; at the tips of hyphae d. asexual; in sporangia e. asexual; both in sporangia and at the tips of hyphae
When did life first appear on the planet?
A. 2.1 billion years ago B. 3.5 billion years ago C. 2.1 million years ago D. 3.5 million years ago
The elimination of resident bacterial populations is
a. beneficial to animals. b. beneficial to opportunistic pathogens. c. difficult because they are resistant to antibiotics. d. unlikely because of their large numbers. e. all of these.