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some traits become more common, others less. ... The traits that become more common are the ones that are “adaptive” or “increase fitness” (that is, a creature's chances of living longer and producing more offspring).
Diffusion is one form of passive transport that doesn't require the expenditure of cellular energy. A molecule can diffuse passively through the cell membrane if it's lipid-soluble, uncharged, and very small, or if a carrier molecule can assist it. ... The assisted process is known as facilitated diffusion.
Got this off google but still hope it helps :)
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Explanation:Explanation: Classification of organisms is a hard task cause many organisms have their differences and similarities, whereby making it very complicated in classifying organisms.. All living organisms are classified into groups based on very basic, shared characteristics
False. hunger and poverty are alive and well in the usa.
For the environmental risk, it is much better to prevent pollution than to deal with it after it has already been made. When you deal with the pollution, it is hard to say that you can eliminate completely. So, prevention is the first strategy.
