Sharks have ________________ skeletons, while salmon have _______________ skeletons.
a. cartilaginous; bony
b. vertebrate; chordate
c. lobe-finned; ray-finned
d. chordate; vertebrate
e. bony; cartilaginous
Ans: a. cartilaginous; bony
You might also like to view...
Which of the following are not part of the shoot system?
A. leaves B. stems C. flowers D. roots E. fruits
Diffusion of water through a semipermeable membrane is called ________.
A. endocytosis B. active transport C. osmosis D. facilitated diffusion E. diffusion
The movement of oxygen through the aquatic plant may depend on
A. differences in the water potential of different tissues. B. larger lenticels. C. negative pressures created by transpiration. D. aquaporins. E. osmotic absorption by the roots.
The punnet square is a useful tool for
A) determining the rate of segregation of alleles.
B) calculating how many mutations occur during DNA replication.
C) determining which genes or traits assort independently during gamete formation.
D) predicting the ratios of possible genotypes of a particular combination of alleles.
E) predicting the level of crossing over that will occur during meiosis.