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Leviafan [203]
2 years ago
10

A researcher is setting up an experiment to compare the rates of movement of individuals from different light-sensitive single-c

elled organism species toward a light source. Which is the constant in this experiment?
A
Intensity of light source
B
Organism species
C
Rate of movement
D
Direction of movement
Biology
1 answer:
Aleksandr-060686 [28]2 years ago
6 0
B
Because changing the species will skew the results
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