A frog's immature stage is a tadpole; therefore, the development of a frog is
A. direct.
B. indirect.
C. incomplete.
D. delayed.
E. circumstantial.
B. indirect.
Biology & Microbiology
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In the figure above, which structure vibrates and bends the sensory hairs?
a. 1 b. 2 c. 3 d. 4 e. 5
Biology & Microbiology
Lignin is to cellulose strands as ____ is to
epidermal cells. a. cuticulin b. epidermerin c. pectin d. cutin e. chitin
Biology & Microbiology
What percentage of heart cells are part of the cardiac conduction system?
a. 1 percent b. 10 percent c. 20 percent d. 25 percent e. 100 percent
Biology & Microbiology
Following an F+ × F? mating, the donor is ________ and the recipient is ________.
A. F+; F? B. F+; F+ C. F?; F+ D. F?; F?
Biology & Microbiology