Gene sequences that evolve at a constant rate can be used to ____
a. index the time of divergence between two species
b. calculate speciation rates across lineages
c. calculate speciation rates within different lineages
d. index the number of extinct species within a lineage
e. calculate extinction rates across lineages
ANSWER: a
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Which one of the following terms is not associated with fungi?
A) conidia B) hyphae C) mycelium D) pellicle
Which is the most common form of asexual reproduction in fungi?
a. budding b. binary fission c. formation of spores d. fragmentation
Suppose a mutagen is used on an inbred population of mice to establish cell lines, each including a different mutant allele, which can then be tested for function. This technique is known as ________
Fill in the blank(s) with correct word
E. O. Wiley offers a definition of an evolutionary species as a single lineage of ancestor-descendant populations that maintains its identity from other such lineages and that has its own evolutionary tendencies and historical fate. How does this compare with the biological species concept given?
A. They are the same. B. Only Mayr's is easily testable for most organisms. C. Only Wiley's is easily testable for living organisms. D. Mayr's definition is limited to some sexual organisms whereas Wiley's theoretically covers all life. E. They are in complete disagreement.