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This is the study of similar and different structures in organisms.
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Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d
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Biology, 22.06.2019 16:00
Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems
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Biology, 22.06.2019 17:00
How many autosomes are in this human karyotype? how many sex chromosomes?
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Biology, 22.06.2019 17:00
What might explain the real-world results, show in the graph to the right, for one class of twenty students? check all that apply.
Answers: 3
This is the study of similar and different structures in organisms....
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