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CU Florida Queen Butterflies (Danaus gilippus) mating, USA

Pre-K - Higher Ed
CU Florida Queen Butterflies (Danaus gilippus) mating, USA
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CU 2 Damselflies (Enallagma cyathigerum) mating, England

Pre-K - Higher Ed
CU 2 Damselflies (Enallagma cyathigerum) mating, England
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BCU Tilt down from upside-down head of female Praying Mantis (Sphodromantis lineata) to male during mating

Pre-K - Higher Ed
BCU Tilt down from upside-down head of female Praying Mantis (Sphodromantis lineata) to male during mating
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MS Spadefoot Toads (Scaphiopus) forming mating ball in water, USA

Pre-K - Higher Ed
MS Spadefoot Toads (Scaphiopus) forming mating ball in water, USA
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CU 2 Yellow Dungflies (Scatophaga stercoraria) mating on cowpat, England

Pre-K - Higher Ed
CU 2 Yellow Dungflies (Scatophaga stercoraria) mating on cowpat, England
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High Speed - CU Florida Queen Butterflies (Danaus gilippus) during courtship, USA

Pre-K - Higher Ed
High Speed - CU Florida Queen Butterflies (Danaus gilippus) during courtship, USA
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CU 2 Damselflies (Enallagma cyathigerum) mating, England

Pre-K - Higher Ed
CU 2 Damselflies (Enallagma cyathigerum) mating, England
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CU 2 Yellow Dungflies (Scatophaga stercoraria) mating on grass head, England

Pre-K - Higher Ed
CU 2 Yellow Dungflies (Scatophaga stercoraria) mating on grass head, England
Stock Footage0:07
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Ladybird Beetle larva eating aphid (Coccinella 7-punctata) sequence, England

Pre-K - Higher Ed
Ladybird Beetle larva eating aphid (Coccinella 7-punctata) sequence, England
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Red mouth triggerfish (Odonus niger) group, guarding and ventilating their nests, which are buried in black volcanic sand. Triggerfish have the fastest developing eggs. Spawning occurs at dawn and by dusk the eggs are ready to disperse

Pre-K - Higher Ed
Red mouth triggerfish (Odonus niger) group, guarding and ventilating their nests, which are buried in black volcanic sand. Triggerfish have the fastest developing eggs. Spawning occurs at dawn and by dusk the eggs are ready to disperse
Stock Footage0:54
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Pair of Clark's anemone fish (Amphiprion clarkii) spawning. First the larger female deposits her eggs, then the male fertilizes them. When the spawning has ceased the anemone will expand and conceal the eggs

Pre-K - Higher Ed
Pair of Clark's anemone fish (Amphiprion clarkii) spawning. First the larger female deposits her eggs, then the male fertilizes them. When the spawning has ceased the anemone will expand and conceal the eggs
Stock Footage0:12
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CU pair of European frogs, Rana temporaria, mating underwater, frogspawn in background, United Kingdom

Pre-K - Higher Ed
CU pair of European frogs, Rana temporaria, mating underwater, frogspawn in background, United Kingdom
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CU Pair of Common Toads (Bufo bufo) mating, to camera, UK

Pre-K - Higher Ed
CU Pair of Common Toads (Bufo bufo) mating, to camera, UK
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BCU Mason Bee (Osmia rufa) in nest, preparing pollen & nectar store, turnas and lays egg, UK

Pre-K - Higher Ed
BCU Mason Bee (Osmia rufa) in nest, preparing pollen & nectar store, turnas and lays egg, UK
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BCU Male ribbon reed flower opening on surface of water

Pre-K - Higher Ed
BCU Male ribbon reed flower opening on surface of water
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MS High angle, Frogspawn in water, frogs mating beneath surface, Costa Rica

Pre-K - Higher Ed
MS High angle, Frogspawn in water, frogs mating beneath surface, Costa Rica
Stock Footage0:03
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BCU Tongue of Australian Honey possum, Tarsipes spenserae, drinking nectar

Pre-K - Higher Ed
BCU Tongue of Australian Honey possum, Tarsipes spenserae, drinking nectar
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BCU Tilt up, Underwater view of male ribbon reed releasing flowers drifting to surface

Pre-K - Higher Ed
BCU Tilt up, Underwater view of male ribbon reed releasing flowers drifting to surface
Stock Footage0:13
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CU Ladybird beetles mating

Pre-K - Higher Ed
CU Ladybird beetles mating
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Clam - underwater, MS spawning

Pre-K - Higher Ed
Clam - underwater, MS spawning
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Gold Specs Jawfish with eggs in mouth, CU head in hole, Mabul, Borneo, Malaysia

Pre-K - Higher Ed
Gold Specs Jawfish with eggs in mouth, CU head in hole, Mabul, Borneo, Malaysia
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Red mouth triggerfish (Odonus niger) group, guarding and ventilating their nests, which are buried in black volcanic sand. Triggerfish have the fastest developing eggs. Spawning occurs at dawn and by dusk the eggs are ready to disperse

Pre-K - Higher Ed
Red mouth triggerfish (Odonus niger) group, guarding and ventilating their nests, which are buried in black volcanic sand. Triggerfish have the fastest developing eggs. Spawning occurs at dawn and by dusk the eggs are ready to disperse
Stock Footage0:12
Getty Images

Red mouth triggerfish (Odonus niger) group, guarding and ventilating their nests, which are buried in black volcanic sand. Triggerfish have the fastest developing eggs. Spawning occurs at dawn and by dusk the eggs are ready to disperse

Pre-K - Higher Ed
Red mouth triggerfish (Odonus niger) group, guarding and ventilating their nests, which are buried in black volcanic sand. Triggerfish have the fastest developing eggs. Spawning occurs at dawn and by dusk the eggs are ready to disperse
Stock Footage0:24
Getty Images

Male foetus in the womb. His hand and ear are seen in close-up, and he opens his eyes. This foetus is at full term, and is fully developed and ready for birth

Pre-K - Higher Ed
Male foetus in the womb. His hand and ear are seen in close-up, and he opens his eyes. This foetus is at full term, and is fully developed and ready for birth