[Q]: Greg and Frank were two friends that studied natural sciences. One day, Greg decided to start reading about natural selection. His friend Frank decided to read more about populations that displayed natural selection more sparingly. They both learned lots of new interesting facts. Which friend learned more about animals that survive in greater numbers?
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[A]: Greg

[Q]: Two neighboring islands Grey island and Sand island both contributed to global warming by their actions. Grey island contributed way more because they were more careless. Which island used less coal?
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[A]: Sand

[Q]: Barbara and Jane are two students. They both like meteorology. Barbara studies the formation of the ozone layer, while Jane studies about the stratosphere. Which student learned more about vertical mixing?
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[A]: Jane

[Q]: Two neighboring regions were exposed to different levels of abiotic stress. Eastern region was exposed to high levels of abiotic stress, while Western region was almost stress-free. Which region had more threatened species inhabiting it?
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[A]:
Eastern