“How Sensitive Are You?”

Lab Review

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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. DragonflyNymph

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 ORDobsonfly Larva

Fishfly Adult

Lab Station #3B. Stonefly Nymph

Lab Station #3C. Caddisfly Larva

Lab Station #3D. Freshwater Mussel

Lab Station #3E. 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 # 6A. Water Strider

Lab Station # 6B. Damselfy Nymph

Lab Station # 6

C. Cranefly Larva

Lab Station # 6D. 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