Practice Questions

TLS Online TPP Program

#Question id: 4949

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?

#XL - S Microbiology

DNA is chemically more stable and replicates with fewer errors (mutations) than RNA.
Only DNA can replicate during cell division.
RNA is too involved with translation of proteins and cannot provide multiple functions.
DNA forms the rod-shaped chromosomes necessary for cell division.

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TLS Online TPP Program

#Question id: 3442

#XL - T Zoology

You discover a rare new bird species, but you are unable to observe its mating behavior. You see that the male is large and ornamental compared with the female. On this basis, you can probably conclude that the species is

TLS Online TPP Program

#Question id: 3443

#XL - T Zoology

The evolution of mating systems is most likely affected by

TLS Online TPP Program

#Question id: 3444

#XL - T Zoology

Which of the following is least related to the others?

TLS Online TPP Program

#Question id: 3445

#XL - T Zoology

Which one of these concepts is not associated with sociobiology?