REVIEW & REHEARSE 13 EVOLUTION and DIVERSITY AMONG the MICROBES
REVIEW & REHEARSE 13 EVOLUTION and DIVERSITY AMONG the MICROBES
Q
Prokaryotes are found in ________ domain(s).
- a) 1
- b) 2
- c) 3
- d) 4
- e) 5
From an evolutionary perspective, the most basic division among all organisms on earth is among:
- a) plants, animals, and bacteria.
- b) bacteria, archaea, and eukarya.
- c) plants, animals, and eukarya.
- d) bacteria, animals, and eukarya.
- e) bacteria, archaea, and protists.
Which of the following statements about prokaryotes is incorrect?
- a) Prokaryotes contain ribosomes.
- b) Some prokaryotes can conduct photosynthesis.
- c) Prokaryotes have circular pieces of DNA within their nuclei.
- d) Prokaryotes appeared on earth before eukaryotes.
- e) Prokaryotes contain cytoplasm.
“Establishing a phylogeny for bacteria is more difficult than establishing a phylogeny for plants or animals.” This statement is:
- a) correct, because of the quick generation time of bacteria.
- b) incorrect, because lateral gene transfer makes creating a phylogeny simpler.
- c) incorrect, because the metabolic diversity of bacteria makes classification impossible.
- d) correct, because it is difficult to obtain enough morphological data from bacteria.
- e) correct, because bacteria can engage in lateral gene transfer.
