fvmousdiana
28.01.2020 •
Biology
What is the main purpose of controlled variables in an experiment?
a they compare the findings of one experiment to another.
b they produce reliable results without repeating the experiment.
c they investigators practice measuring without affecting the results of the experiment.
d they ensure that changes in the independent variable are affecting the dependent variable.
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Ответ:
Ответ:
A niche is a role a species plays in the ecosystem. In other words, a niche is how an organism “makes a living.” A niche will include the organism's role in the flow of energy through the ecosystem. An organism's niche also includes how the organism interacts with other organisms and its role in recycling nutrients.
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