The classification of species often leads to
a. understanding evolutionary relationships that directly and positively influence human
health.
b. new phylums.
c. a list of names with no significance to biological function.
d. new evolutionary theories.
e. a decrease in the actual number of species that exist.
A
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A neutralizing antibody against a toxin is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
Pure-breeding yellow guinea pigs crossed with pure-breeding white ones produce only cream-colored
offspring. This pattern indicates incomplete dominance. Rough hair is found to be dominant to smooth hair. Give the F1 and F2 genotypic and phenotypic ratios of a cross of a smooth, white guinea pig with a homozygous, rough, yellow guinea pig. What will be an ideal response?
Allopatric speciation
What will be an ideal response?
A beaker is divided into two halves, A & B, by a membrane that is freely permeable to the water and NaCl but not to protein. Side A is half-filled with a solution of 8% protein, while side B is half filled with a 2% protein solution. Predict what would happen to side A after a few hours.
A. The number of protein molecules has increased. B. The number of water molecules has decreased. C. The number of water molecules has increased. D. The percentage of water has decreased.