Solvin Zankl / Honey bee (Apis mellifera) workers caring for queen cells, Kiel, Germany

Solvin Zankl / Honey bee (Apis mellifera) workers looking after queen cells, Kiel, Germany

Solvin Zankl / Honey bee (Apis mellifera) feeding larvae in brood cells, Kiel, Germany

Solvin Zankl / Honey bee (Apis mellifera) workers in hive with three white queen cells, Kiel, Germany, June.

Ammonite / Tracking shot into the entrance of a Buff-tailed bumble bee (Bombus terrestris) nest, showing larvae in wax cells, France, May.

Ammonite / Buff-tailed bumble bees (Bombus terrestris) inside nest, with wax cells containing honey, France, May.

SINCLAIR STAMMERS / Light photomicrograph of Blue green algae / Cyanobacteria (Nostoc sp) capable of nitrogen fixation, and used for soil enrichment especially with rice cultivation. The long filaments are composed of in...

Stephen Dalton / Honey bees (Apis mellifera) filling honey storage cells in hive, UK

Stephen Dalton / Honey bee (Apis mellifera) filling honey storage cells in the hive, UK

John B Free / Honey bee queen cells and pupae (Apis mellifera) - cells opened to show pupae

Martin Gabriel / European Honeybee Queen laying eggs surrounded by workers {Apis mellifera}

Kim Taylor / Filamentous green algae {Spirogyra sp} showing cell structure

Phil Savoie / Red mason bee (Osmia bicornis) female bee sealing off brood cells with mud Monmouthshire, Wales, UK. May.

Phil Savoie / Red mason bee (Osmia bicornis) female bee sealing off brood cells with mud Monmouthshire, Wales, UK. May.

Andy Sands / Resin bee (Heriades truncorum) this small Bee uses resin to seal her nest cells until recently a rare species of lowland heath they can now be found nesting in garden bee hotels across southern Englan...

Karine Aigner / Vials of blood from a Hermit thrush (Catharus guttatus) in a centrifuge after being spun. The centrifuge separates the plasma (yellow) from the packed red blood cells (red). This research is to measu...

Ashley Cooper / Photoelectric cells on a council building in Barnstaple, Devon UK. June 2006

Ashley Cooper / Close up of Frogspawn, UK.

Ashley Cooper / Bees (Apis mellifera) around a queen cell in a beehive which has been infected with Varoa mites (Varroa destructor) Cockermouth, Cumbria, UK, June.

Ashley Cooper / Bee (Apis mellifera) with deformed wings as a result of attack by Varoa mites (Varroa destructor) in beehive, Cockermouth, Cumbria, UK, June.

Ashley Cooper / Apistan used to combat the Varoa mite in bee hives, Cockermouth, Cumbria, England, UK. June 2009.

Gary K. Smith / Close up view of Honey Bee comb showing larvae in cells Norfolk, England, June 2017.

Robert Thompson / Skellig Michael Monastery Beehive Cells, Skellig Michael, County Kerry, Republic of Ireland. June 2014.

Robert Thompson / Skelleg MIchael Monastery Beehive Cells with Little Skelleg in the distance, Skellig Michael, County Kerry, Republic of Ireland.June 2014.

Sue Daly / Close up of a Beadlet sea anemone (Actinia equina) showing acrorhagi stinging cells, red colour form, Sark, British Channel Islands, UK, July.

Ingo Arndt / Honeycomb (Apis mellifera) structure with empty cells, Germany.

Ingo Arndt / Honeycomb (Apis mellifera) structure with empty cells, Germany.

Ingo Arndt / Close up of wing pattern of Tree nymph butterfly(Idea leuconoe) South Asia

Alex Hyde / Paper wasps (Polistinae) at nest attached to underside of leaf with eggs visible in paper cells, Osa Peninsula, Costa Rica

Georgette Douwma / Nudibranch (Phyllodesmium brareum) the brown lines down the cerata consist of brown specks that are microscopic algal cells (Zooxanthellae) which provide the slug with energy. Rinca, Indonesia. (Dig...

Eric Baccega / European worker honey bee (Apis mellifera) putting honey in cells of storage comb. Lorraine, France. August.

Eric Baccega / European worker honey bees (Apis mellifera) putting honey in cells of storage comb in hive. Lorraine, France. August.

Eric Baccega / European worker honey bees (Apis mellifera) on comb feeding larvae in cells. Lorraine, France. August.

Eric Baccega / European worker honey bees (Apis mellifera) on comb feeding larvae in cells. Lorraine, France. August.

Eric Baccega / European worker honey bees (Apis mellifera) on honeycomb feeding larvae in cells. Lorraine, France. August.

Eric Baccega / European worker honey bees (Apis mellifera) on honeycomb feeding larvae in cells. Lorraine, France. August.

Eric Baccega / European worker honey bees (Apis mellifera) on honeycomb feeding larvae in cells. Lorraine, France. August.

Eric Baccega / European worker honey bees (Apis mellifera) on honeycomb feeding larvae in cells. Lorraine, France. August.

Phil Savoie / European honey bee (Apis mellifera) newly emerged female worker pushes out of brood cell, Monmouthshire, Wales. September.

Phil Savoie / European honey bee (Apis mellifera) newly emerged female worker pushes out of brood cell, Monmouthshire, Wales. September.

Ammonite / Buff-tailed bumble bees (Bombus terrestris) inside nest, with larvae in wax cells, France, May.

MD Kern / Palo Alto JR Museum / European honey bee (Apis mellifera) attending to queen cells, captive.

MD Kern / Palo Alto JR Museum / European honey bees (Apis mellifera) on capped honey comb cells

MD Kern / Palo Alto JR Museum / European honey bees (Apis mellifera) on honey comb with cells filled with pollen

MD Kern / Palo Alto JR Museum / European honey bee (Apis mellifera) eggs in brood comb cells, captive.

Ammonite / Blue mason bee (Osmia caerulescens) making pulp from hollyhock leaf to build separate cells for eggs, in urban garden, Bristol, UK, June.

Georgette Douwma / Fire coral (Millepora dichotoma) a hydroid, showing the hairs that are covered in cells called nematocysts, used mainly as a defense mechanism against fish which may feed upon it as well as against pr...

Georgette Douwma / Fire coral (Millepora dichotoma) a hydroid, showing the hairs that are covered in cells called nematocysts, used mainly as a defense mechanism against fish which may feed upon it as well as against pr...

Andy Sands / Female Blue mason bee (Osmia caerulescens) covered in pollen flying into an insect box in a garden, carrying bits of wood to seal nest cells, Hertfordshire, England, June.

Andy Sands / Female Blue mason bee (Osmia caerulescens) flying into an insect box in a garden carrying leaf mastic (masticated leaf sections) to seal nest cells, Hertfordshire, England, June.

Andy Sands / Female Blue mason bee (Osmia caerulescens) flying into an insect box in a garden carrying leaf mastic (masticated leaf sections) to seal nest cells, Hertfordshire, England, June.

Jan Hamrsky / Spongillafly larva (Sisyra fuscata) sucking the fluids from the cells of the freshwater sponge, Europe, September, controlled conditions

Cyril Ruoso / Common Iceplant (Mesembryanthemum crystallinum) covered with large bladder cells, Ponta de Sao Lourenco Nature Reserve, Madeira

Cyril Ruoso / Common Iceplant (Mesembryanthemum crystallinum) covered with large bladder cells, Ponta de Sao Lourenco Nature Reserve, Madeira

Roland Seitre / European Hornet (Vespa crabro) pupa in brood cells, Europe

Alex Hyde / Cockchafer Beetle (Melolontha melolontha) male antenna detail under scanning electron microscope. The surface is studded with sensory cells (yellow) with which it can detect the pheromone signals give...

Juan Manuel Borrero / Illustration of prokaryotic (left) and eukaryotic (right) cells. Pencil and watercolor painting.

David Woodfall / Photovoltaic cells to convert sunlight into electricity, Swansea Environmental Centre, Wales, UK 2009

Kim Taylor / Red mason bee (Osmia rufa) female building pollen retaining wall of mud and sand to separate egg cells in artificial nest box, Surrey, UK, April

John B Free / Honey Bee (Apis mellifera) tending to a cell at the nest. The bee will provision the cell with pollen and nectar ('bee bread') from its pollen basket or 'corbicula'.

Claudio Contreras / Paper Wasp (Polistes sp.) on nest cells. Maria Madre Island, Islas Marias Biosphere Reserve, Sea of Cortez (Gulf of California), Mexico, September.

John Waters / Close up of honeycomb from Honey bee hive (Apis mellifera) showing hexagonal pattern of cells filled with liquid honey, Qatar, Arabian Gulf, May

Roland Seitre / European Hornets (Vespa crabro) at nest, with cells at different levels of development. Tours, France, August.

Roland Seitre / European Hornets (Vespa crabro) at nest, with cells at different levels of development. Tours, France, August.

Roland Seitre / European Hornets (Vespa crabro) on cells of their 'paper' nest, built from masticated wood. Tours, France, October.

Roland Seitre / European Hornet (Vespa crabro) emerging from cell after metamorphosing from larva to adult wasp. Tours, France, August. Sequence 3 of 3.

Roland Seitre / European Hornet (Vespa crabro) emerging from cell after metamorphosing from larva to adult wasp. Tours, France, August. Sequence 2 of 3.

Roland Seitre / European Hornet (Vespa crabro) emerging from cell after metamorphosing from larva to adult wasp. Tours, France, August. Sequence 1 of 3.

Roland Seitre / European Hornet (Vespa crabro) emerging from cell after metamorphosing from larva to adult wasp. Tours, France, August.

Roland Seitre / Cross-section of European Hornet (Vespa crabro) nests, showing cells with larvae at different stages of metamorphosis from pupa to adult. Tours, France, August.

Roland Seitre / European Hornet (Vespa crabro) adult emerging from cell; the surrounding cells contain larvae in their final stage of metamorphosis into adults. Tours, France, August.

Roland Seitre / Cross-section of European Hornet (Vespa crabro) larvae in cells, showing different stages of development. Tours, France, August.

Roland Seitre / European Hornet (Vespa crabro) larvae in its cell; the surrounding cells have been sealed as the larvae metaphorphose into adults. Tours, France, August.

Roland Seitre / European Hornet (Vespa crabro) feeding larvae in cells. Tours, France, August.

Roland Seitre / European Hornet (Vespa crabro) nest cells, containing eggs at different stages of development. Tours, France, August.

Roland Seitre / European Hornets (Vespa crabro) at nest, constructing cells for pupae development. Tours, France, August.

Roland Seitre / European Hornets (Vespa crabro) at nest on sealed cells, with the queen below (white abdoment). Tours, France, August.

Roland Seitre / European Hornets (Vespa crabro) at nest, constructing new cells for pupae development. Tours, France, August.

Roland Seitre / European Hornets (Vespa crabro) at nest on sealed cells in which larvae pupate. Tours, France, August.

Roland Seitre / European Hornets (Vespa crabro) at nest, on sealed cells in which larvae pupate. Tours, France, August.

Nick Turner / Macro shot of honey bee comb showing pollen-filled cells, UK, June 2011.

Simon Colmer / Honey bee cells showing worker larvae (Apis mellifera) Sussex, UK

Simon Colmer / Honey bee (Apis mellifera) cells with worker eggs, Sussex, UK

Simon Colmer / Honey bee (Apis mellifera) workers on comb with capped honey cells and pollen store cells, note the different colour pollen from different flowers, Sussex, UK

Simon Colmer / Honey bee comb (Apis mellifera) showing capped honey cells, larval cells, pollen cells and worker emerging from cell, Sussex, UK

Roger Powell / Part of the Summit monastery showing 6th century beehive cells. now occupied by large numbers of Storm Petrels, Co Kerry, Republic of Ireland, June 2011

Alex Mustard / 2020VISION / Male Common cuttlefish (Sepia officinalis) in striped breeding colouration, guarding a female as she lays eggs within the seaweeds. Babbacombe Bay, Torbay, Devon, UK, May spawning period. Did you know...

Stephen Dalton / Cross section of Honeybee (Apis mellifera) larvae in cells, UK

Stephen Dalton / Eggs of Honey bee (Apis mellifera) in cells of comb, UK

Stephen Dalton / Honey bees (apis mellifera) on honey comb cells in hive, worker bees and one large drone bee, UK

Stephen Dalton / Honey bee (Apis mellifera) adult emerging from cell, UK

Stephen Dalton / Honey bee (Apis mellifera) larvae in cells fed on royal jelly, UK

Stephen Dalton / Honeybee workers (Apis mellifera) feeding from storage comb. UK

Andy Sands / Honey bees (Apis mellifera) on frame in hive with capped and un-capped cells and two queen cells protruding from frame, Buckinghamshire, England, UK

Alex Hyde / Tip of labial palp from Green Tiger Beetle {Cicindela campestris}. The end of the palp is studded with sensory cells that have been false coloured in yellow/orange to help visualise them. Dead specima...

Norbert Wu / Red Algae (Fauchea laciniata) reflecting light off of gland cells, Alaska