Manipulative experiments alter levels of a predictor variable (or factor), and then measures how one or more variables respond to these alterations. ... Natural experiments-An observational study in which we take advantage of natural variation that is present in the variable of interest.
Cell specialization allows cells to perform essential cell specific tasks. Such as nerve cells, red blood cells etc.
Homeostasis, it is the process of organisms regulating their internal conditions. <span />
Have flat bases and are often described as "puffy", "cotton-like" or "fluffy" in appearance.
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Answer:
Hmmm i tied between A and C because they both seem correct but since C sounds a little off ima say A
Explanation:
