A shark is a(n)
A) invertebrate chordate.
B) amphibian.
C) cartilaginous fish.
D) jawless fish.
E) bony fish.
C
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Seeds of many plants fall to the ground when they mature. This is an example of a characteristic that is influenced by
____.
a. basic physical laws b. adaptive evolution c. chance events d. genetic drift e. neutral mutations
In which decade of life does the removal of the bone matrix first exceed production of new bone?
A. Second decade B. Third decade C. Fifth decade D. Sixth decade
The modern synthesis theory of evolution explains Darwin’s observations of variation among offspring in terms of
amino acid substitutions. __________________ Indicate whether the statement is true or false.
Figure 39.10A, B, and C
The following question refers to the figure above.
?
A blood vessel is indicated by the letter ____.
A. A B. B C. C D. D E. E