Discuss some of the differences between organisms in the domains Bacteria and Archaea
What will be an ideal response?
The structures of the lipids present in the plasma membranes are different. Archaea cell walls do not contain peptidoglycans.
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Two organisms are very similar both in terms of molecular and physical characteristics
However, there is at least one characteristic that is not shared by these organisms—each organism has at least one evolutionary novelty that is not present in the other organism and thus these organisms do not interbreed. As a result, what is likely the lowest taxonomic classification that is shared by these organisms?
a. species b. genus c. family d. order
Exotic, or introduced, species can permanently disrupt native communities when they ________
a. destroy crops or natural vegetation used by other species b. all of the choices c. prey on community members and depress their numbers d. outcompete native species for access to space, light, or nutrients
Which group of mammals exhibits the widest
distribution and greatest diversity? a. marsupials b. monotremes c. placentals d. marsupials and monotremes e. placentals and monotremes
The organism with the largest relative genome size is
A. rice. B. human. C. yeast. D. fruit fly.