Fresh water stream ecosystem Gr ov p 2 The description of stream - PowerPoint PPT Presentation

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Fresh water stream ecosystem Gr ov p 2 The description of stream lives Quadrat 1: Hong Kong Newt Larva Mayfly Nymph Canton Bee Shrimp Caddisfly Larva Large Stream snail Stonefly Quadrat 2: Mayfly Nymph Large Stream Snail Quadrat

Fresh water stream ecosystem Gr ov p 2
The description of stream lives Quadrat 1: Hong Kong Newt （ Larva ） Mayfly Nymph Canton Bee Shrimp Caddisfly Larva Large Stream snail Stonefly
Quadrat 2: Mayfly Nymph Large Stream Snail
Quadrat 3: Sucker - belly Loach Some fishes Large stream snail
The adaption of fresh stream animals -Fresh water streams is fast-flowing animals ： -flattened in shape - hide under rocks and reduce their resistance
-fishes ： enlarged ， broad fins for holding themselves onto the rocks.
- snails ： attach to stones and fix their position

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