“How
Sensitive Are You?”
Lab Review
List 1 ecological benefit provided by
aquatic macroinvertebrates.
• Decomposers
(eat detritus)
• Form base of food
chain—fish food!!!!!
Lab Station #1
A. Mayfly nymph
Lab Station #1
B. Dragonfly
Nymph
Lab Station #1
C. Hellgrammite OR Dobsonfly Larva
Dobsonfly Adult
Lab Station #1
D. Mayfly Nymph
Lab Station #2
A. Damselfly Nymph
Lab Station #2
B. Damselfly Nymph
Lab Station #2
C. Mayfly Nymph
Lab Station #2
D. Water Snipe Larva
Lab Station #3
A. Fishfly OR
Dobsonfly Larva
Fishfly Adult
Lab Station #3
B. Stonefly Nymph
Lab Station #3
C. Caddisfly Larva
Lab Station #3
D. Freshwater Mussel
Lab Station #3
E. Gilled Snail
Lab Station #4
A. Blackfly Larva
Lab Station #4
B. Aquatic Sowbug
Lab Station #4
C. Scud
Lab Station #4
D. Leech
Lab Station #5
A. Crayfish
Lab Station #5
B. Water Penny
Lab Station #5
C. Alderfly Larva
Lab Station # 5
D. Damselfly Nymph
Lab Station # 6
A. Water Strider
Lab Station # 6
B. Damselfy Nymph
Lab Station # 6
C. Cranefly Larva
Lab Station # 6
D. Caddisfly Larva (Case Building)
Caddisflies
Other Questions…
1. Into which category would a water
strider fit? Why?
Any: lives on top.
Good: pollution could affect
surface tension or food
sources
Other Questions…
2. In which type of water would you find
only leeches?
POOR: no Biodiversity,
pollution tolerant species
Other Questions…
3. Name 2 kinds of pollution that could
affect a stream’s biodiversity?
Runoff from: agriculture, golf course,
fracking?, athletic fields, construction,
gas stations in Harmony/Zelie, industry