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Olin [163]
3 years ago
7

What variables should the scientists control in the experiment

Biology
1 answer:
Drupady [299]3 years ago
6 0

Answer:

It's important for a scientist to try to hold all variables constant except for the independent variable. If a control variable changes during an experiment, it may invalidate the correlation between the dependent and independent variable. When possible, control variables should be identified, measured, and recorded.

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jeka94

Answer:

Plant cell

Explanation:

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cell wall is only found in plant cell . it is absent In animal cell . the neucleus in the plant cell contain a pigments haemoglobin, which contain genetic information to the cell .

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