Image 1 - Photograph of "Aphthona flava flea beetle feeding on a leafy spurge" (from website) found here at the USDA Agricultural Research Service Image gallery.
Image 2 - .Photograph of "breeding penguins at Cape Royds" (from website) by Peter Rejcek, National Science Foundation, found here at the US Antarctic Program Photo library.
Image 3 - Photograph of seahorse taken by Mr. Mohammed Al Momany, National Oceanic and Atmospheric Administration, found here at the NOAA Photo Library.