Explain how ozone (O3) is both beneficial and harmful to life. What will be an ideal response?
ANSWER: The ozone layer benefits living organisms by absorbing most ultraviolet (UV) radiation from
incoming sunlight. Near the ground, where there is naturally little ozone, it is considered a
pollutant. Ozone irritates the eyes and respiratory tracts of humans and wildlife. It also
interferes with plant growth.
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Optical density and viable cell concentration are LEAST proportional to each other during
A) lag phase. B) exponential growth phase. C) stationary phase. D) death phase.
Which one of the following statements about the laws of thermodynamics is incorrect?
A. Highly organized living organisms like animal cells are exceptions to the Second Law of Thermodynamics. B. The addition of energy increases the disorder of a system. C. In order to comply with the First Law of Thermodynamics, the conversion of energy from one form to another in biological reactions is 100% efficient. D. Highly organized living organisms like animal cells are exceptions to the Second Law of Thermodynamics and the addition of energy increases the disorder of a system E. Highly organized living organisms like animal cells are exceptions to the Second Law of Thermodynamics, the addition of energy increases the disorder of a system and in order to comply with the First Law of Thermodynamics, the conversion of energy from one form to another in biological reactions is 100% efficient
Heritability of a trait can change because
A) genes mutate. B) the environment can change. C) a person can consciously change her or his heritability. D) the heritability in a family changes with the number of children.
Applying human feelings and emotions to animals is
A. anthropomorphism. B. ethology. C. sociobiology. D. redirected aggression.