Through evolution, the hindlimbs of cetaceans have been modified, eventually becoming
a. flippers.
b. tail.
c. non-existent.
d. flukes.
e. enlarged.
C
Biology & Microbiology
You might also like to view...
rRNA is (select all that apply):
A. associated with ribosomes. B. the least abundant RNA in the cell. C. the most abundant RNA in the cell. D. relatively consistent in sequence between organisms. E. considerably variable in sequence between organisms.
Biology & Microbiology
Which of the following is not a structural polysaccharide?
A) glycogen B) peptidoglycan C) cellulose D) chitin E) All of the above are structural polysaccharides.
Biology & Microbiology
The most abundant plankton are the:
a. phytoplankton. b. bacterioplankton. c. viriplankton. d. zooplankton. e. macroplankton.
Biology & Microbiology
ATP contains ____
a. alanine b. arginine c. phosphate d. tyrosine e. glucose
Biology & Microbiology