Antlers on a male deer and the lack of antlers on a female deer are examples of
A. polygamy.
B. monogamy.
C. sexual behavior.
D. sexual dimorphism.
E. optimal foraging.
D. sexual dimorphism.
Biology & Microbiology
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The use of Salvarsan and Prontosil to treat microbial infections were early examples of
A. antibiotics. B. toxins. C. inhibitors. D. chemotherapy.
Biology & Microbiology
The openings in leaves that function to exchange gases are called ____
a. cuticles b. stomata
c. guard cells d. pits e. pores
Biology & Microbiology
Which portion of Figure 43-3 would be connected to the oval window?
a. 1
b. 2
c. 3
d. 6
e. 8
Biology & Microbiology
Cardiac muscle cells are both _____
A) striated and interconnected by intercalated disks B) smooth and under voluntary control C) striated and under voluntary control D) smooth and under involuntary control
Biology & Microbiology