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. 2023 Aug 7;120(33):e2304663120. doi: 10.1073/pnas.2304663120

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Copyright © 2023 the Author(s). Published by PNAS.

This article is distributed under Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND).

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Fig. 1. — Diversity of the major life forms found in soil. (A) bristletail (© F. Ashwood), (B) springtail (© H. Conrad), (C) nitrogen-fixing bacteria-containing nodules on clover root (© M. van der Heijden), (D) predatory mite (© H. Conrad), (E) isopod (© F. Ashwood), (F) scots pine root colonized by ectomycorrhizal fungi (yellow) (© M. Anthony), (G) earthworm (© G. Brändle), (H) nematode (© A. Murray), (I) corn root colonized by arbuscular mycorrhizal fungi (blue) (© F. Bender), (J) springtail (© F. Ashwood), (K) a common soil bacterium Bacillus (Creative Commons Attribution-Share license, photo by M. Das Murtey and P. Ramasamy), (L) horned mite (© H. Conrad), (M), pseudoscorpion (© F. Ashwood), (N) phage infecting a soil bacterium (© T. de Carvalho), (O) centipede (© F. Ashwood).