The respiratory organ of a cockroach is a/an
...The respiratory organ of a cockroach is a/an
air sac
trachea
lung book
lung
Correct answer is B
No explanation has been provided for this answer.
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Which of the following is not included in the theory of natural selection? ...
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Which of the following tissue are made up of dead cells? ...
The overall reaction in glycolysis can be summarised as ...
The phenomenon in the diagram is termed ...
Which of the following is not an effect of overcrowding in a population? ...