Endocrine glands produce
a. enzymes.
b. oils.
c. waxes.
d. hormones.
e. milk.
D
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Which of the following is a characteristic of temperate forests?
a. being dominated by deciduous trees b. having significant tree species diversity c. having shrubs that adapt to occasional fires d. being shaded mostly by evergreen conifers
Which statement describes viruses?
A) Viruses are living cells that can invade other organisms. B) Viruses use energy to perform life functions. C) Viruses use host cells to make more viruses. D) Viruses will die unless they are inside an organism.
Figure 12.4
The cell in the accompanying illustration is in ____.
A. prophase I B. metaphase I C. anaphase I D. prophase II E. anaphase II
In which of the following groups of Vertebrates do you find Sea Horses?"
a) Class Chondrichthyes b) Class Actinopterygii c) Class Sarcopterygii d) Class Myxini e) Class Reptilia