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Plantae & Fauna
There are small species that have reached great importance in industry, such as silkworms,
Read MoreIn a relatively short time, the vegetation in Mexico has undergone extensive anthropic alterations.
Read MoreThis worm species is dark red or violet-red and striped with antero-posterior and dorso-ventral gradient. Its body is divided into rings or metamerisms, which are visible at naked eye. They are about 8-10 cm long and 3-5 mm in diameter.
Read MoreIt has been seen that aquatic plants play a transcendent role in the conservation of ecosystems,
Read MorePhotography: Cristopher Gonzalez https://creativecommons.org/.
Due to the activities of human beings, several species have been extinct and many others are endangered;
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