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Ilia_Sergeevich [38]
3 years ago
13

A kind of variable that a researcher purposely changes in an investigation is...

Biology
2 answers:
RUDIKE [14]3 years ago
7 0

The independent variable, because the I.V. is what you wil change throughout your experiment.

loris [4]3 years ago
6 0
The variable that researchers manipulate is the independent variable.

The reason for this is because in experiments different manipulations are often introduced. The sole purpose of these manipulations is to see whether they will affect our independent variable and if they will change its value. 
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What term refers to the location where the chromosomes line up in the middle of the cell?
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✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ The term that matches this statement is Metaphase. Metaphase occurs in Mitosis and Meiosis. The homologous chromosomes line up in single file.

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4 0
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Where do human cells spend most of their time?
oksano4ka [1.4K]

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What did Darwin discover about plants from his phototropism experiments?
mel-nik [20]

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https://www.biology-pages.info/T/Tropisms.html

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This link holds all the information you need :D

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