Icefish #1
British Antarctic Survey/science Photo Library
Notocactus Leninghausii
Vaughan Fleming/science Photo Library
Pine Trees (pinus Sp.) #1
Dr. John Brackenbury/science Photo Library
Alpine Marmot
Chris Hellier/science Photo Library
Alpine Marmot #3
Chris Hellier/science Photo Library
Desert Hedgehog
Photostock-israel/science Photo Library
Camouflaged Pegasus Sea Moth
Scubazoo
Arctic Springtails
British Antarctic Survey/science Photo Library
Pine Trees (pinus Sp.)
Dr. John Brackenbury/science Photo Library
Well Camouflaged Frogfish
Scubazoo
Cave Shrimp
Thierry Berrod, Mona Lisa Production/science Photo Library
Camargue Horses Running
Chris Hellier/science Photo Library
Alpine Marmot #4
Chris Hellier/science Photo Library
Alpine Marmot #1
Chris Hellier/science Photo Library
Alpine Marmot #2
Chris Hellier/science Photo Library
Saguaro Cactus (carnegiea Gigantea) #1
Peter Menzel/science Photo Library
Purple Prickly Pear (opuntia Sp.) Cactus In Flower
Jim West/science Photo Library
Agave
Sinclair Stammers/science Photo Library
Pinwheel (aeonium Haworthii)
Adrian Thomas/science Photo Library
Tamarisk Tree (tamarix Sp.)
Sinclair Stammers/science Photo Library
Desert-adapted Elephants
Tony Camacho/science Photo Library
Desert-adapted Elephants #1
Tony Camacho/science Photo Library
Desert-adapted Elephant
Tony Camacho/science Photo Library
Desert-adapted Elephant #1
Tony Camacho/science Photo Library
Arid Adapted Tree
Mark De Fraeye/science Photo Library
Ocotillo Cactus (fouquieria Splendens) In Bloom
Jim West/science Photo Library
Sempervivum 'bronco'
Adrian Thomas/science Photo Library
Adelie Penguins #4
William Ervin/science Photo Library
Cactus Spines
Dr Keith Wheeler/science Photo Library
Sempervivum 'strider'
Anthony Cooper/science Photo Library
Adelie Penguins #1
William Ervin/science Photo Library
Giant Antarctic Sea Spider
British Antarctic Survey/science Photo Library
Houseleek (sempervivum 'tip Top')
Adrian Thomas/science Photo Library
Crested Saguaro Cactus
Jim West
Ocotillo Cactus (fouquieria Splendens) In Bloom #1
Jim West/science Photo Library
Damaged Inner Ear Hair Cells
Dr Goran Bredberg/science Photo Library
She-oak Stem
Dr Keith Wheeler/science Photo Library
Saguaro National Park Cactus Forest #2
Jim West/science Photo Library
Cactus Spines
Bildagentur-online/mcphoto-schulz
Saw Banksia (banksia Serrata)
Dr Jeremy Burgess/science Photo Library
Mexican Fence Post Cacti
Jim West
Monkey Puzzle Tree Leaf
Dr Keith Wheeler/science Photo Library
Marram Grass Leaf Section
Gerd Guenther
Normal Inner Ear Hair Cells
Dr Goran Bredberg/science Photo Library
Japanese Macaques In A Hot Spring
Andy Crump
Japanese Macaque Young
Andy Crump
Treehopper
Patrick Landmann/science Photo Library
Cylindropuntia Leptocaulis
Bob Gibbons/science Photo Library
Human Evolution And Supernova
Mark Garlick/science Photo Library
Dune Evening Primrose (oenothera Deltoides)
Bob Gibbons/science Photo Library
Hallucinogenic San Pedro Cactus, Ecuador
Sinclair Stammers
Organ Pipe Cactus
Jim West
Osprey Nest In A Cactus
Christopher Swann
Prickly Pear (opuntia Sp.) Fruit
Michael Szoenyi
Welwitschia Plant
Tony Camacho/science Photo Library
Water Flea Morphs #4
Christian Laforsch/science Photo Library
Medlar Leaf
Dr Keith Wheeler/science Photo Library
Quiver Tree (aloe Dichotoma) #3
Sinclair Stammers/science Photo Library
Water Flea Morphs #2
Christian Laforsch/science Photo Library
Water Flea Morphs #3
Christian Laforsch/science Photo Library
Water Flea Defence
Christian Laforsch/science Photo Library
Oleander Leaf #3
Dr Keith Wheeler/science Photo Library
Oleander Leaf #4
Dr Keith Wheeler/science Photo Library
Joshua Tree (yucca Brevifolia)
Michael Szoenyi
Milky Way Over Joshua Trees At Sunset
Michael Szoenyi
Flowering Cactus
Tony Craddock/science Photo Library
Parodia Cactus And Succulents
Maria Mosolova/science Photo Library
Quiver Tree (aloe Dichotoma) #4
Sinclair Stammers/science Photo Library
Quiver Tree (aloe Dichotoma) #6
Sinclair Stammers/science Photo Library
Quiver Trees (aloe Dichotoma)
Bob Gibbons/science Photo Library
Spurge (euphorbia Sp.)
Dr. John Brackenbury/science Photo Library
Cardon Cactus (pachycereus Pringlei)
Christopher Swann