Answer is: the part of an experiment that stays the same though out the experiment is constant.
<span>Constant is a quantity that does not change.
</span>Experimental variable<span>, which is the also part of an experiment, is affected by the experiment (have change).</span>
Answer:
The length of a human being and a amoeba is not comparable. Both are two different kinds of organisms with different life forms with a least resemblance. ... There is no comparison between their lengths
Explanation:
A changing environment can cause increased rates in speciation and extinction. For example, a changing climate, such as a change from a warmer Earth to a colder Earth that would have happened in the Ice Age, could result in mass extinction of certain groups of species that are not able to adapt to colder temperatures. Other phyla that can adapt will flourish and fill the niches presented by the new conditions. For example, climate change is presumed to have been a factor that resulted in the extinction of the dinosaurs and the rise of the mammals.
Folate would drive skin adopting a darker skin tone.
Darker pigmented skin tone. folate will be destroyed and they will not be successful reproducers.