“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. DragonflyNymph

Lab Station #1

C. Hellgrammite

Dobsonfly Adult

Lab Station #1

D. Mayfly Nymph

Lab Station #1

B. Fishfly ORDobsonfly Larva

Lab Station #2

A. Damselfly Nymph

Lab Station #2

B. Dragonfly 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 #3

C. Caddisfly Larva

Caddisflies

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

Other Questions…

1. Into which category would a water strider fit? Why?

2. In which type of water would you find only leeches?

3. Name 2 kinds of pollution that could affect a stream’s biodiversity?