Legume Root Nodule
M. I. Walker
Raven On Muskox
Mark Newman
Hippopotamuses With Oxpeckers
Gregory G. Dimijian, M.D.
Rhizobium Nodules On Alfalfa
Inga Spence
Dead Moth Grub
Dante Fenolio
Shrimp Cleans Moray Eel #1
David Fleetham
Red-necked Phalaropes #1
Ron Sanford
Ant-caterpillar-plant Mutualism
Gregory G. Dimijian, M.D.
Spinecheek Anemonefish Clownfish
Andrew J. Martinez
Domatium On Whistling Thorn Acacia #3
Gregory G. Dimijian, M.D.
Domatium On Whistling Thorn Acacia #1
Gregory G. Dimijian, M.D.
Root Nodules On Soya Plant
Scimat
Triplaris Tree In Pantanal, Brazil
Gregory G. Dimijian, M.D.
Ants At Extrafloral Nectary
Gregory G. Dimijian, M.D.
Ants And Acacia Tree
Gregory G. Dimijian, M.D.
Ants Tending Aphids
Ted Kinsman
Domatium On Whistling Thorn Acacia
Gregory G. Dimijian, M.D.
Domatium On Whistling Thorn Acacia #2
Gregory G. Dimijian, M.D.
Nitrogen-fixing Nodules On Pea Roots
John Kaprielian
Senita Moth Egg
Gregory G. Dimijian, M.D.
Ants And Acacia Tree #1
Gregory G. Dimijian, M.D.
Ants At Acacia House
Gregory G. Dimijian, M.D.
Pseudomyrmex Ants In Triplaris Tree
Gregory G. Dimijian, M.D.
Dead Moth Grub #2
Dante Fenolio
Lichens On A Rock
William H. Mullins
Shrimp Cleans Moray Eel
David Fleetham
Honeycomb Moray And Shrimp
Reinhard Dirscherl
Plant Anatomy #2
M. I. Walker
Cow And Cattle Egret
Alan and Sandy Carey
Common Orange Lichen
Eye of Science
Kudu And Oxpeckers
Art Wolfe
Yellow-billed Oxpecker On Wildebeest
Greg Dimijian
Leafcutter Ants #1
Gregory G. Dimijian
Leafcutter Ants In Lab
Gregory G. Dimijian
Sambar Deer And Jungle Crow
B. G. Thomson
Ant Plant With Ants
Francesco Tomasinelli
False Clown Anemonefish
Andrew J. Martinez
Banded Coral Shrimp With Eggs
Andrew J. Martinez
Banded Coral Shrimp #1
Andrew J. Martinez
Heart Urchin Pea Crab #1
Andrew J. Martinez
Mushroom Coral Shrimp #1
Andrew J. Martinez
False Clown Anemonefish #2
Andrew J. Martinez
Lichens On A Rock
Robert Lee
White Rhinoceros
Mitch Reardon
Squat Anemone Shrimp
Andrew Martinez
False Clown Anemonefish #1
Andrew Martinez
Squat Anemone Shrimp #2
Andrew Martinez
Rosette Lichen
Meckes/ottawa
Hammered Shield Lichen #2
Meckes/ottawa
Tree Lichen #3
Meckes/ottawa
Common Orange Lichen #1
Meckes/ottawa
Lichen Niebla Podetiaforma
Ted Kinsman
Orange Clownfish In An Anemone
Greg Dimijian
Endotrophic Mycorrhiza In Orchid Root
M. I. Walker
Dead Moth Grub #3
Dante Fenolio
Lichens On A Rock #1
William H. Mullins
Wrasse Cleaning Surgeonfish
David Fleetham
A Formica Ant Tends Aphids
Greg Dimijian
Fig Wasps
Gregory G. Dimijian, M.D.
Lichens On A Tree #1
Gregory G. Dimijian, M.D.
Cuban Blackbirds On Horse
Neil Bowman/FLPA
Ant Plant #1
Francesco Tomasinelli
Land Crab Inside Pitcher Plant #3
Francesco Tomasinelli
Trichonympha Ciliate Protozoan In Gut
Science Stock Photography
Pederson Cleaner Shrimp
Andrew J. Martinez
Banded Coral Shrimp With Eggs #1
Andrew J. Martinez
Pederson Cleaner Shrimp #1
Andrew J. Martinez
Anemone Commensal Shrimp #2
Andrew J. Martinez