When classifying an unknown organism, scientists are most likely to consider its A age
as important evidence.
B color
C) structure
D number of offspring

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca