7. Protists aren't monophyletic, meaning that they don't
A. share one common ancestor that isn't also shared by organisms in other groups.
B. live their lifespan in one place but instead can move.
C. have one chromosome.
D. have one mode of reproduction
8. A species of moth has evolved a very long tongue to reach nectar at the bottom of a species of orchid. This orchid has evolved a long nectar tube, so that moths feeding on its nectar contact its pollen, helping it to reproduce. This is an example of
A. chemical evolution B. coevolution. C. independent evolution. D. predatory evolution
9. Genetic drift, where allele frequencies randomly change over time, is strongest in _______ populations.
A. predatory B. small C. large D. migratory
10. Lyme disease used to be geographically restricted to the northeastern United States but has since spread significantly. This makes Lyme disease an example of
A. a retrovirus. B. an emerging disease. C. a bacteriophage. D. a progressive virus
11.Mosquitoes can often transmit viruses from one organism to another, acting as _______ of the virus.
A. bacteriophage B. vectors C. symbiont D. parasites
12. All animals are
A. biotrophs B. autotrophs. C. polytrophs. D. heterotrophs.
13. _______ is the branch of biology that classifies living things in a hierarchical system.
A. Taxonomy
B. Molecular biology
C. Anatomy
D. Phylogeny
Answer :
7. (A). share one common ancestor that isn't also shared by organisms in other groups.
8. (B). Coevolution.
9. (B). Small.
10. (B). An emerging disease.
11. (B). Vectors.
12. (D). Heterotrophs.
13. (A). Taxonomy.
7. Protists aren't monophyletic, meaning that they don't A. share one common ancestor that isn't also...