Evidence suggests that the crocodiles are more closely related to the birds than the turtles and snakes. If so, then including crocodiles, but not birds, in the Class Reptilia would make the Class Reptilia
A. a paraphyletic group.
B. parsimonious.
C. a polyphyletic group.
D. a monophyletic group.
E. not homologous.
Answer: A
You might also like to view...
Phenotypic similarities that provide no information about shared ancestry are ____
a. homologies b. homoplasies c. morphological d. anatomical e. physiological
A 2-year-old girl is suspected of having a rotavirus infection. The specimen of choice to collect to identify the agent is:
a. stool. b. blood. c. urine. d. throat.
Where does spermatogenesis occur?
A. vas deferens B. ovaries C. lobules of the testes D. bulbourethral gland E. urethra
The role of DNA ligase is to
a. join together fragments of DNA. b. replace mispaired bases. c. initiate DNA replication. d. form new DNA polymers. e. break apart hydrogen bonds.