Related topics: species · ecosystems · climate change

Scientists reclassify eukaryotic microorganisms

One of the biggest scientific challenges is the classification of the natural world, especially the protists, which are eukaryotic microorganisms. While the classification proposed by Sina Adl et al. (2005) was conservative ...

Why are there so many species of beetles and so few crocodiles?

There are more than 400,000 species of beetles and only two species of the tuatara, a reptile cousin of snakes and lizards that lives in New Zealand. Crocodiles and alligators, while nearly 250 million years old, have diversified ...

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