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Scientist are always testing their models to get new information or results, but other times learning evidence makes scientist have to change their models so scientist can change their models in theory.
They relied more on evidence
They relied more on evidence
They relied more on evidence
What can lead scientists to change an evolutionary tree?
It changed the world by making scientist look different upon the world
The scientist provided evidence for the theory of evolution by natural selection, which was proposed by Charles Darwin. Through observations of different species and their adaptations to their environments, the scientist showed how species can change over time to better suit their surroundings through the process of natural selection.
A manipulative variable is something that you will keep the same.
There is no evidence that Shakespeare changed his name. He received a Coat of Arms for his father which enabled him to be Gentleman, but his name did not change.
The dependent variable is the variable that can change in an experiment.
The factor changed is the independant varible, the thing that the scientist can change each time they run the experiment.
There has been more and more observations about the atom that has changed it since then. They revised it to explain the observations.