Cyril Ruoso / Rainforest interior, Peru

Edwin Giesbers / Crown daisy flower (Glebionis coronarium) Menorca, Balearic Islands, Spain, Europe

Stephen Dalton / Leaves of the Ginkgo tree (Ginkgo biloba) native to Central China

Konrad Wothe / Pasque Flower (Pulsatilla sp) on hillside beneath shining sun, Barakchin Island, Lake Baikal, Russia

Greg Basco/ BIA / Sunlight shining through rainforest, Rincon de la Vieja National Park, Costa Rica

Luis Quinta / Patterns made in sand by Mint-sauce worms (Symsagittifera roscoffensis / Convoluta roscoffensis) sunbathing at low tide to allow the symbiotic algae to photosynthesise. Costa de Caparica beach, Portug...

Luis Quinta / Patterns made in sand by Mint-sauce worms (Symsagittifera roscoffensis / Convoluta roscoffensis) sunbathing at low tide to allow the symbiotic algae to photosynthesise. Costa de Caparica beach, Port...

Luis Quinta / Mint-sauce worms (Symsagittifera roscoffensis / Convoluta roscoffensis) sunbathing on sand at low tide to allow the symbiotic algae to photosynthesise. Costa de Caparica beach, Portugal. April 2017.

Sandra Bartocha / English oak (Quercus robur) at the Biosphere reserve Suedost-Ruegen, Island Vilm, Germany

Konrad Wothe / Lady Fern (Athyrium filix-femina) in forest, Upper Bavaria, Germany

Alex Mustard / Giant clam (Tridachna gigas) opening its mantle to collect sunlight for its zooxanthellae, while surrounded by Scalefin anthias (Pseudanthias squamipinnis) Umm Aruk, St Johns, Egypt. Red Sea

Nick Upton / Mat of Green freshwater algae blooming on a damp draincover, releasing oxygen bubbles through photosynthesis, Wiltshire, UK, May.

Cyril Ruoso / Taro (Alocasia odora) leaves, Yakushima Island, Japan

Cyril Ruoso / Tropical undergrowth, Peru

Albert Lleal / Dinoflagellate (Gonyaulax sp) covered with chromatophores wich are useful for photosynthesis, Barcelona, Spain

Juergen Freund / Nudibranch (Phyllodesmium longicirrum), known as a solar-powered nudibranch because of its symbiotic relationship with photosynthetic zooxanthellae in its tissues. Lembeh Strait, North Sulawesi, Indon...

Kevin Schafer / Licuala Fan Palm (Licuala ramsayi) leaves, Licuala State Forest, Mission Beach, Queensland, Australia

Kevin Schafer / Licuala Fan Palm (Licuala ramsayi) leaf, Licuala State Forest, Mission Beach, Queensland, Australia

Juergen Freund / Nudibranch (Phyllodesmium longicirrum), known as a solar-powered nudibranch because of its symbiotic relationship with photosynthetic zooxanthellae in its tissues. Lembeh Strait, North Sulawesi, Indon...

Chien Lee / Banana (Musa sp) growing in a rainforest clearing, Cuc Phuong National Park, Ninh Binh, Vietnam

Konrad Wothe / Feather Grass (Stipa pennata) field, Bulgaria

Konrad Wothe / Licuala Fan Palm (Licuala ramsayi) fronds, Mission Beach, North Queensland, Queensland, Australia

Konrad Wothe / Licuala Fan Palm (Licuala ramsayi) frond and leaf shadow, Daintree National Park, North Queensland, Queensland, Australia

Konrad Wothe / Licuala Fan Palm (Licuala ramsayi) fronds, Daintree National Park, North Queensland, Queensland, Australia

Konrad Wothe / Licuala Fan Palm (Licuala ramsayi) group in rainforest, Daintree National Park, North Queensland, Queensland, Australia

Aflo / N-2603 Sunlight through leaves

Aflo / N-2605 Sunlight through leaves

Aflo / N-2407 Sunlight through Beech leaves abstract {Fagus sp}

Aflo / N-2406 Sunlight through Beech leaves {Fagus sp}

Aflo / N-2506 Sunlight through Beech leaves {Fagus sp}

Aflo / N-2505 Sunlight through Beech leaves {Fagus sp}

Aflo / N-2601 Sunlight through Beech leaves {Fagus sp}

Aflo / N-2508 Sunlight through Beech leaves {Fagus sp}

Aflo / N-3001 up Beech tree trunk to leaf canopy {Fagus sp} Japan.

Aflo / N-3101 Sunlight through Beech tree leaf canopy, Niigata, Japan.

Aflo / N-3003 up Beech tree trunk into canopy, Niigata, Japan.

Aflo / N-3604 Sunlight through woodland, Japan.

Aflo / Bright sunlight through trees.

Aflo / N-2405 Sunlight through Ginkgo leaves

Aflo / N-2402 Sunlight through Beech leaves {Fagus sp}

Aflo / N-1904 Sunlight through leaves

Aflo / N-1808 Sunlight through leaves

Aflo / N-2401 Sunlight through leaves

Aflo / N-2403 Sunlight through leaves

Aflo / N-2701 Sunlight through Beech leaves {Fagus sp}

Aflo / N-3501 through Beech canopy {Fagus sp} Japan.

Aflo / N-2901 Sunlight through Birch trees {Betula sp} Japan.

Aflo / N-2905 Sunlight streaming through Beech tree {Fagus sp} Japan.

Aflo / N-2902 Sunlight through Beech tree {Fagus sp} Japan.

Aflo / N-2807 Beech tree {Fagus sp} soft focus, Japan.

Aflo / N-2801 Sunlight through Beech tree {Fagus sp} Niigata, Japan.

Aflo / N-2507 Sunlight through Beech tree leaves, Japan.

Aflo / N-2602 Sunlight through tree leaves.

Aflo / N-2606 Sunlight through tree leaves.

Aflo / N-0702 of broadleaf tree in leaf, Japan.

Hiroya Minakuchi / Rainforest canopy showing sunlit leaves, Borneo, Malaysia

Hiroya Minakuchi / Rainforest canopy showing sunlit leaves, Borneo, Malaysia

Hiroya Minakuchi / Rainforest leaves showing sunlight and shadow patterns, Borneo, Malaysia

Michael & Patricia Fogden / Giant Strangler Fig (Ficus aurea) and Woka Palms (Livistona rotundifolia), Tangkoko Batuangus Reserve, Indonesia

Kevin Schafer / Kidney Fern (Trichomanes reniforme) leaf in rainforest, New Zealand

Theo Allofs / Grass with dew drops, Myakka River State Park, Florida

Philippe Clement / Close up of a Fern loosing chlorophyll in autumn, Luxemburg

Chris Newbert / Nudibranch (Phyllodesmium longicirrum) 70 feet deep, Papua New Guinea

Patricio Robles Gil / Australian Fan Palm (Livistona australis) in rainforest interior, Daintree National Park, Queensland, Australia

Patricio Robles Gil / Australian Fan Palm (Livistona australis) illuminated by sunlight, Daintree National Park, Queensland, Australia

Piotr Naskrecki / Detail of large plant leaves in the rainforest

Konrad Wothe / Dandelion (Taraxacum officinale), Upper Bavaria, Germany

Norbert Wu / Giant Clam (Tridacna sp) has symbiotic algae within mantle for photosynthesis, Sangalakki Island, Borneo

Norbert Wu / Giant Clam (Tridacna sp) that has algae within mantle for photosynthesis and diver, Sangalakki Island, Borneo

Konrad Wothe / Rhododendron (Rhododendron hirustum) with sun shining through leaves, Germany

Jaymi Heimbuch / Coast Redwood (Sequoia sempervirens) needles, Butano State Park, California

Cyril Ruoso / Leaves in temperate rainforest, Yakushima Island, Japan

Konrad Wothe / Marguerite (Leucanthemum vulgare) flowering in meadow, Upper Bavaria, Germany

Colin Monteath / Avenue of trees, historic Wanaka Homestead, autumn, central Otago, New Zealand

Alex Hyde / Focus stacked, inverted image of Diatoms on a microscope slide. Diatoms are single-celled algae which produce approximately 25% of the oxygen we breathe as well as being responsible for approximately...

Alex Hyde / False-coloured scanning electron micrograph of a cleaved sample of a crustose lichen growing on grey limestone, the orange are fungal threads and the green shows algal cells. The fungal threads anchor...

Shane Gross / Neptune seagrass (Posidonia oceanica) with oxygen bubbles on blades. Seagrass beds absorb and store carbon 35 times more efficiently than rainforests helping the fight against climate change. 1m2 of S...

Alex Mustard / Aggregation of stingless golden jellyfish (Mastigias sp.) in a landlocked marine lake in the middle of an island. Their golden colour comes from endosymbiotic algae, which provide nutrition for the me...

Willem Kolvoort / Seagrass with oxygen bubbles rising, Passe Femme / Femme channel, Aldabra, Indian Ocean

Willem Kolvoort / Seagrass with oxygen bubbles rising, Passe Femme / Femme channel, Aldabra, Indian Ocean

Willem Kolvoort / Seagrass with oxygen bubbles rising, Passe Femme / Femme channel, Aldabra, Indian Ocean

Willem Kolvoort / Seagrass with oxygen bubbles rising, Passe Femme / Femme channel, Aldabra, Indian Ocean

Willem Kolvoort / Seagrass with oxygen bubbles rising, Passe Femme / Femme channel, Aldabra, Indian Ocean

Willem Kolvoort / Seagrass with oxygen bubbles rising, Passe Femme / Femme channel, Aldabra, Indian Ocean

David Fleetham / Blue dragon nudibranch (Pteraeolidia ianthina) which has evolved a method of capturing and farming microscopic plants (zooxanthellae) in its body. Hawaii, USA

Nigel Cattlin / Filamentous algae or blanket weed oxygen bubbles forming in dense growth on the surface of a garden pond. Berkshire, England, UK, March.

Nigel Cattlin / Filamentous algae or blanket weed oxygen bubbles forming in dense growth on the surface of a garden pond. Berkshire, England, UK, March.