The organ responsible for excretion of both
urine and feces indicated by the letter"F" is
called the
a. mouth.
b. crop.
c. gizzard.
d. secreting portion of stomach.
e. cloaca
E
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About ________ percent of the human genome actually encodes proteins.
A) 0.5 B) 1.5 C) 5.0 D) 10 E) 100
In some species of herbivorous mammals, hindgut fermentation occurs in the
A) rumen. B) reticulum. C) colon. D) caecum.
Ninety-six percent of the base-pair sequences in chimps and humans are the same. This finding indicates that:
A. 96% of the genes in humans have identical counterparts in chimps. B. humans are more closely related to chimps than to any other species on earth. C. 4% of the DNA we carry contains mutations. D. 96% of the proteins produced by chimps are identical to the proteins produced by humans.
Schools of fish typically exhibit a ________ distribution pattern
A) clumped B) random C) J-curve D) scrambled E) uniform