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Monarch butterfly

Pre-K - Higher Ed
Monarch Butterfly on a flower (HD.)
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Monarch butterfly

Pre-K - Higher Ed
Close up - Monarch Butterfly on a flower (HD.)
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Monarch butterfly

Pre-K - Higher Ed
Close up - Monarch Butterfly on a flower (HD.)
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Monarch Butterfly

Pre-K - Higher Ed
Close up - Monarch Butterfly on a flower (HD.)
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Getty Images

Monarch Butterfly

Pre-K - Higher Ed
Close up - Monarch Butterfly on a flower (HD.)
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Close Up hand-held tracking-right - Parasitic worms move through red blood cells in a computer-generated animation.

Pre-K - Higher Ed
Close Up hand-held tracking-right - Parasitic worms move through red blood cells in a computer-generated animation.
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Monarch Butterfly

Pre-K - Higher Ed
Close up - Monarch Butterfly on a flower (HD.)
Stock Footage0:29
Getty Images

Monarch Butterfly

Pre-K - Higher Ed
Close up - Monarch Butterfly on a flower (HD.)
Stock Footage0:06
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Close Up push-in - Toxoplasma gondii parasites flow with red blood cells through a vein in a computer-generated animation.

Pre-K - Higher Ed
Close Up push-in - Toxoplasma gondii parasites flow with red blood cells through a vein in a computer-generated animation.
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Friendly bacteria, Lactobacillus casei. A rod-shaped gram-positive, non-sporing, non-motile, obligate anaerobe, which inhabits human intestinal tracts. It is beneficial to human health eg improves and promotes digestion.

Pre-K - Higher Ed
Friendly bacteria, Lactobacillus casei. A rod-shaped gram-positive, non-sporing, non-motile, obligate anaerobe, which inhabits human intestinal tracts. It is beneficial to human health eg improves and promotes digestion.
Stock Footage0:29
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Monarch butterfly

Pre-K - Higher Ed
Close up - Monarch Butterfly on a flower (HD.)
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Getty Images

Monarch Butterfly

Pre-K - Higher Ed
Close up - Monarch Butterfly on a flower (HD.)
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Ants tending a group of red and black treehoppers on the underside of a rainforest leaf in Ecuador

Pre-K - Higher Ed
- An example of symbiosis: The treehoppers provide honeydew for the ants which in turn protect the treehoppers and the plant.
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Monarch Butterfly

Pre-K - Higher Ed
Close up - Monarch Butterfly on a flower (HD.)
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Leech removed whilst sucking blood from human skin, Indian rainforest

Pre-K - Higher Ed
Leech removed whilst sucking blood from human skin, Indian rainforest
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Ants attending a group of red and black treehoppers on the underside of a rainforest leaf in Ecuador

Pre-K - Higher Ed
- An example of symbiosis: The treehoppers provide honeydew for the ants which in turn protect the treehoppers and the plant.
Stock Footage0:27
Getty Images

Close Up push-in push-out - A rat and a snail host parasitic worms in a computer-generated animation.

Pre-K - Higher Ed
Close Up push-in push-out - A rat and a snail host parasitic worms in a computer-generated animation.
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Close Up push-out - Parasitic worms hatch and travel through a bloodstream in a computer-generated animation.

Pre-K - Higher Ed
Close Up push-out - Parasitic worms hatch and travel through a bloodstream in a computer-generated animation.
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Three Clownfish and Sea Anemone

Pre-K - Higher Ed
Three clownfish (Amphiprion ocellaris), also called, 'Nemo fish', dart in and out of a sea anemone on a tropical coral reef in the Philippines. This is a classic example of symbiosis. The clownfish are immune to the venomous tentacles of...
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Cleaner Shrimp Climbs Inside Puffer Fish

Pre-K - Higher Ed
A scribbled puffer fish (Arothron amp) visits a coral reef 'cleaning station' where a cleaner shrimp climbs inside its gills. The puffer fish has adopted a vertical position to indicate its receptiveness to the cleaning and will not eat...
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Cleaner fish swims into mouth of big fish

Pre-K - Higher Ed
A blue-streaked cleaner wrasse, (Labroides dimidiatus), swims inside a much larger fish, a gold-band fusilier (Caesio caerulaurea), to clean its throat and gills of ectoparasites. This is an example of symbiosis, where the cleaner fish...
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Purple Anemone (order Actiniaria) and clown fish (Amphiprion sp.), Maldives

Pre-K - Higher Ed
Purple Anemone (order Actiniaria) and clown fish (Amphiprion sp.), Maldives
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Friendly bacteria, Lactobacillus casei. A rod-shaped gram-positive, non-sporing, non-motile, obligate anaerobe, which inhabits human intestinal tracts. It is beneficial to human health eg improves and promotes digestion.

Pre-K - Higher Ed
Friendly bacteria, Lactobacillus casei. A rod-shaped gram-positive, non-sporing, non-motile, obligate anaerobe, which inhabits human intestinal tracts. It is beneficial to human health eg improves and promotes digestion.
Stock Footage0:30
Getty Images

Monarch Butterfly

Pre-K - Higher Ed
Close up - Monarch Butterfly on a flower (HD.)