Physical isolation of population
it is used in the binomial nomencleature
clearcut logging
So scientists can know for certain if the factor they're testing affects the outcome and isn't caused by another factor which isn't being measured. It elimiantes the chance of another factor affecting the outcome of an experiment.
a postzygotic barrier
Scientists refer to Mendel's factor as Genes?? I Guess. . . . ..
if groups of scientists didn't work together they would go at different speeds and probably get different results need to describe it completely so that when they use that same factor in an experiment they have the data.
A factor that tends to cause species to change can be one of two things. It can be either climate change or an invasive species.
manipulated variable
Just think about this : Imagine scientists studying plants and animals of the past WITHOUT fossils. The slightest clue found on fossils leads scientists towards a conclusion that would be impossible to get without a mineralized remains of a dead organism, that we call fossils. The most important factor is the visualization of that animal or plant's shape. The foot's shape, number of bones, of a fossiled animal may give to scientists a clue on how that extinct animal could run away from predators and so on. The slightest evidence is important to reach on a conclusion when a fossil is being studied, which would be impossible without them. In other words, fossils are the linkage with the pass
The Answer is Independent Variable.
The most important factor is light.
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