Which of these is not a type of water pollutant?
(a) dissolved oxygen.
(b) toxic chemicals.
(c) organic wastes.
(d) sediment.
(d) sediment.
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Which of the following is a disadvantage of sexual reproduction?
a. It produces genetically diverse offspring. b. Large numbers of offspring can be produced quickly. c. Only half the population can produce offspring. d. Organisms have both male and female reproductive systems.
Petruchio compares taming a shrew to
a. Training a dog b. Training a falcon c. Breaking a horse d. Singing a ballad
Which characteristic applies to a normal individual who is a carrier for an X-linked trait such as hemophilia?
A) The carrier is always female. B) The carrier is homozygous for the recessive condition. C) The carrier shows the recessive phenotype. D) The carrier cannot have daughters who have the allele.
Which type of metabolic pathway involves building biomass?
a. catabolic b. parabolic c. irreversible d. anabolic