Altogether, the body secretes about 7 liters of water into the alimentary canal each day. About what percentage of this water gets reabsorbed?
A) 30%
B) 50%
C) 75%
D) 90%
Answer: D
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Scientists believe that the direction birds go when migrating is guided in part by _____
I) the stars in the night sky II) the Sun during the day III) the magnetic field of the Earth A) only I B) only II C) only III D) only II and III E) I, II, and III
In marine birds, excess salts are removed by:
a. salt glands in the tongue. b. salt glands above the eyes. c. concentrated urine. d. salt glands on the skin. e. salt glands in the mouth.
The _____ consists of three layers: the endometrium, the myometrium, and the perimetrium.
A. uterus B. vagina C. clitoris D. ovaries
In the following prokaryotic DNA sequence, label the highlighted regions. Using the prokaryotic DNA sequence above, describe the relationship between the highlighted regions and how mutations in each region may affect gene expression
What will be an ideal response?