Jouan Rius / Petrified wood segment, Blue Mesa Badlands, Petrified Forest National Park, Arizona, USA, December 2012.

Wild Wonders of Europe / Lundgren / Fireworm (Hermodice carunculata) close-up, Pico, Azores, Portugal, July 2009

Piotr Naskrecki / Millipede close up showing body segments and legs, Mamang River Forest Reserve, Ghana

Anup Shah / Aerial view of irrigation circle for growing vegetable crops and cultivated flowers, Naivasha, Kenya

Michael & Patricia Fogden / Leafcutter Ant (Atta sp) group workers carrying leaf segments, note minim riding on leaf as protection against parasitic flies, rainforest, Costa Rica

Tony Wu / Giant isopod (Bathynomus doederleinii) brought up from a depth of 300m to 400m. Suruga Bay, Shizuoka Prefecture, Honshu, Japan. April 2018. Focus stacked image.

Tony Wu / Giant isopods (Bathynomus doederleinii) caught at a depth of 300- 400m. Suruga Bay, Shizuoka Prefecture, Honshu, Japan. April 2018.

Ingo Arndt / Petrified wood segments from a large tree, Petrified Forest National Park, Arizona, USA, October

Ingo Arndt / Petrified wood segments, Petrified Forest National Park, Arizona, USA

Andy Sands / Ant damsel bug (Himacerus mirmicoides) late instar nymph that mimics ant by having white second and thirds abdominal segments giving the illusion of a narrow waist, Surrey, England, UK, July

Andy Sands / Ant damsel bug (Himacerus mirmicoides) late instar nymph that mimics ant by having white second and thirds abdominal segments giving the illusion of a narrow waist, Surrey, England, UK, July

Juan Carlos Munoz / Petrified wood segments, Petrified Forest National Park, Arizona, USA, February 2015.

Jouan Rius / Petrified wood segments from a large tree, Petrified Forest National Park, Arizona, USA, December 2012.

Jouan Rius / Petrified wood segments from a large tree, Petrified Forest National Park, Arizona, USA, December 2012.

Jouan Rius / Petrified wood segments from a large tree, Petrified Forest National Park, Arizona, USA, December 2012.

Jouan Rius / Petrified wood segments from a large tree, Petrified Forest National Park, Arizona, USA, December 2012.

Jouan Rius / Petrified wood segments from a large tree, Petrified Forest National Park, Arizona, USA, December 2012.

Ingo Arndt / Petrified wood segments from a large tree, Petrified Forest National Park, Arizona

Ingo Arndt / Petrified wood segments from a large tree, Petrified Forest National Park, Arizona

Chien Lee / Long Horn Beetle (Neocerambyx gigas) male with antennae segments, Lambir Hills National Park, Malaysia

SINCLAIR STAMMERS / Fossil of a Trilobite (Clymenella / Eohomalonotus sp) from the Ordovician period, Uppermost Llanvirn Series, Rehamna, Morocco. The expanded axial segments and shovel nose snout indicate a burrowing mo...

Will Watson / The Wasp diving beetle (Dytiscus circumflexus) female resting on surface displaying wasp-coloured segments on the underside and longitudinal grooves on the wing case, captive, England.

Piotr Naskrecki / Millipede showing body segments and legs, Atewa Range, Ghana

Gary K. Smith / Apple, Braeburn variety, on a plate with apple segments

Albert Lleal / Common European Scorpion (Buthus occitanus) SEM close-up view of the articulation between two segments of the tail at 56x magnification

Albert Lleal / Carpenter Bee (Xylocopa violacea) SEM close-up view of point of articulation between two segments of the antenna at 70x magnification

Luciano Candisani / Leafcutter Ant (Atta sp) workers carrying leaf segments, Brazil

ZSSD / Orange-spotted Millipede (Anadenobolus arboreus gundlachi) detail of body segments and legs, native to Puerto Rico

Dietmar Nill / Leafcutter ants on leaf {Atta sp}

Anup Shah / Aerial view of irrigation circle for growing vegetable crops and cultivated flowers alongside Lake Naivasha, Kenya

Heidi & Hans-Juergen Koch / Common Earthworm (Lumbricus terrestris) segments, Germany

Ingo Arndt / Petrified wood segments, Petrified Forest National Park, Arizona

Mark Moffett / Ant (Myrmicaria sp) group defend a young bamboo plant in exchange for nectar found between the plant's segments, Malaysia

Steven David Miller / Lemon slice on lightbox {Citrus lemon}

Solvin Zankl / Deep sea amphipod (Cystisoma neptuni) portrait, showing transparent body, with the exception of the stomach and its compound eyes. The segments of its highly-specialised compound eyes collect rays of...

Solvin Zankl / Deep sea amphipod (Cystisoma neptuni) portrait, showing transparent body, with the exception of the stomach and its compound eyes. The segments of its highly-specialised compound eyes collect rays of...

David Fleetham / Bay goby (Lepidogobius lepidus) resting on seabed, with an unidentified female Copepod parasite in its gill with only its paired egg segments visible, British Columbia, Canada, Pacific Ocean.

Nigel Cattlin / Old pheasant's eye (Narcissus poeticus var. recurvus) flowers, division 13 daffodil with white perianth and yellow and red corona, Berkshire, England, UK, April

Nigel Cattlin / Old pheasant's eye (Narcissus poeticus var. recurvus) flowers, division 13 daffodil with white perianth and yellow and red corona, Berkshire, England, UK, April

Nigel Cattlin / Flowers of a jonquilla daffodil Narcissus 'Pipit' yellow perianth segments and pale corona or trumpet against a blue sky, April

Nigel Cattlin / Flowers of a jonquilla daffodil Narcissus 'Pipit' yellow perianth segments and pale corona or trumpet against a blue sky, April

Robert Thompson / Saturniid moth larva (Aurivillius triramis) close up of body segments, Laraganga Mole National Park, Ghana, Africa