Abstract
No one can give us an exact number of animal species living on earth today, but all biologists agree that millions more species exist than the approximately 1.5 million that have been described so far. Quantitative faunistic investigations in many habitats suggest about 8 million extant species; other assessments claim 30 million species or even more (Wilson 1992 from Erwin 1982, but see Novotny et al. 2002). Most of these species that share mother earth with us are still unknown to science, and sadly, may never become known, because of ongoing man-made habitat destruction and ensuing species extinction.
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© 2003 Springer-Verlag Berlin Heidelberg
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Wirth, R., Herz, H., Ryel, R.J., Beyschlag, W., Hölldobler, B. (2003). The Natural History of Leaf-Cutting Ants. In: Herbivory of Leaf-Cutting Ants. Ecological Studies, vol 164. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-05259-4_2
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DOI: https://doi.org/10.1007/978-3-662-05259-4_2
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-07865-1
Online ISBN: 978-3-662-05259-4
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