PrepTest 44, Section 2, Question 6
Chai: The use of the word "tree" to denote both deciduous and coniferous plant forms, while acceptable as a lay term, is scientifically inadequate; it masks the fact that the two plant types have utterly different lineages.
Chai: The use of the word "tree" to denote both deciduous and coniferous plant forms, while acceptable as a lay term, is scientifically inadequate; it masks the fact that the two plant types have utterly different lineages.
Dodd: But the common name highlights the crucial fact that both are composed of the same material and have very similar structures; so it is acceptable as a scientific term.
Chai: The use of the word "tree" to denote both deciduous and coniferous plant forms, while acceptable as a lay term, is scientifically inadequate; it masks the fact that the two plant types have utterly different lineages.
Dodd: But the common name highlights the crucial fact that both are composed of the same material and have very similar structures; so it is acceptable as a scientific term.
Chai: The use of the word "tree" to denote both deciduous and coniferous plant forms, while acceptable as a lay term, is scientifically inadequate; it masks the fact that the two plant types have utterly different lineages.
The conversation provides the strongest grounds for holding that Chai and Dodd disagree over whether
it is advisable to use ordinary terms as names for biological forms in scientific discourse
using the same term for two biological forms with different lineages can be scientifically acceptable
both deciduous and coniferous plant forms evolved from simpler biological forms
it is important that the lay terms for plant forms reflect the current scientific theories about them
biological forms with similar structures can have different lineages
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