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Yes, if your civilization has done a few things over the course of its history. The rodents are domesticated. Your people have been breeding them for centuries. So like modern pigs, modern chickens and modern cattle, they have been selectively bred to grow fast (deliberately or accidentally). They therefore no longer resemble their wild ancestors in terms ...


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One plant can't be super-efficient at everything. Think of it in terms of where the plant is spending its resources. It is gaining energy from the sun (photosynthesis) and taking in carbon dioxide, water, oxygen and nutrients from the air, ground water and soil. It then has to allocate those resources to doing various things. For instance: Get bigger to ...


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