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zepelin [54]
3 years ago
13

Help help help help me please!!!!!!!!!!!!!!!!

Biology
2 answers:
jenyasd209 [6]3 years ago
4 0

Answer:

The correct answer is The ability to reproduce only within a species.

MatroZZZ [7]3 years ago
3 0

The correct answer should be The ability to reproduce only within a species.

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That question, this incomplete. The full question is:

3. Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week. What are the dependent variables, independent and the controlled variable of this experiment?

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Controlled variable is that which is present in the experiment in a constant and equal way, cannot be measured. This variable is the type of trees.

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