Individuals change from one sex to the other in ____
a. simultaneous hermaphroditism
b. sequential hermaphroditism
c. oviparity
d. parthenogenesis
e. gametogenesis
ANSWER: b
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Bioremediation is:
A. the use of microorganisms to treat open wounds B. the use of microorganisms to break down harmful substances in the environment C. the use of bacteria to attack cancer cells D. the use of microorganisms to attack pathogenic bacteria E. the use of bacteria in the production of biofuels
Which types of fossils are we most likely to find?
a. fossils of animals that were victims of predators b. fossils of flowers that produce a single seed c. jellyfish fossils d. fossilized mushrooms spores e. fossils of animals that lived on steep slopes
Antibodies are ________
A) composed of four fatty acid chains B) a type of lymphocyte C) proteins with short carbohydrates attached D) proteins consisting of four polypeptide chains
B. F. Skinner first introduced operant conditioning experiments. What happens in these experiments?
A. An animal learns to associate its behavioral response with an instinct. B. An animal learns to associate its behavioral response with a reward or a punishment. C. An animal learns to associate its behavioral response with a fixed action pattern. D. An animal learns to associate its behavioral response with its biological clock. E. An animal learns to associate its behavioral response with a conditional stimulus.