The evolutionary species concept states that for a population to be declared a separate species:a
it must have diverged significantly from other populations.
b. it must be morphologically different from any other population.
c. it must not interbreed with any other population.
d. it must occupy a different niche than any other population.
e. it must have undergone natural selection sometime in its history
A
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An intermediate in the creation of DNA nucleotides is ribose 5-phosphate, shown here. What enzymatic activity is needed to ready ribose 5-phosphate for use in DNA nucleotide synthesis?
A. DNase B. reductase C. oxygenase D. RNase E. RNA polymerase
Originally, HIV was thought to be restricted to transmission during homosexual contact between gay men. List other ways in which HIV is currently known to be transmitted
What will be an ideal response?
Once they are identified, ____ take priority in worldwide conservation efforts.
A. healthy ecosystems B. riparian zones C. hot spots D. grasslands E. forests
Which of the following is not a reason why healthcare settings are hot zones for antibiotic-resistant pathogens?
A) Caregivers may be overly fatigued and not wash their hands properly. B) Air is recirculated from patient isolation rooms to the rest of the hospital. C) There is extensive antibiotic use. D) There is an abundance of susceptible hosts. E) Healthcare staff caring for a high number of patients may wrongly assume that glove use can replace hand hygiene.