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Lena [83]
3 years ago
8

Explain the importance of independent and dependent variables in an experiment.

Biology
2 answers:
Rama09 [41]3 years ago
8 0
An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable

A dependent variable is a variable being tested and measured in a scientific experiment
ddd [48]3 years ago
6 0

Answer: Independent variable is what is being modified, it is important to compare it to your control group, (which is the original).

Dependent variable is what is being measured, to compare it to the control group to see if your hypothesis works or not.

Explanation: Here's a(n) example:

Bob wanted to take a mint with a mint drop, and he wanted to measure if it can make his breath fresher, but he also wanted to take it with a regular mint to see which is the freshest breath.

Independent variable: Mint drop.

Dependent Variable: Breath (To see if it is going to change with a mint drop.)

Control Group- Regular mint.

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What animals did the grant study in galapagos island?

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What was the brief goal of their studies?

All of Darwin's observations and insights, plus reading of increasing population growth and demand for limited resources, brought him to his theory of natural selection. Briefly, this means that individuals better adapted to their environment survive and increase in number through reproduction.

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Charles Darwin deserves primary credit for the theory of evolution. He developed existing ideas about descent with modification while providing a large body of evidence in support of them, and he was the first person to perceive thatnatural selection is the primary force behind evolution.

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