
Pollution Tolerant & Intolerant Species
Illustration of pollution tolerant species. At top are pollution intolerant species: stonefly, riffle beetle, mayfly, right handed snail, and caddisfly. In the middle are somewhat tolerant species: scud, sowbug, crayfish, damselfly larvae, dragonfly larvae, clam. At bottom is pollution tolerant species: leech, blackfly larvae, aquatic worm, left handed snail, midge larvae.
Credit
Science Source
/ Monica Schroeder
Dimensions
3300 x 5100 pixels
Print Size @ 300 dpi
11 x 17 inches / 28 x 43 cm