Group 1
Group 2
Group 3
Misc. macroinvertebrate facts
Which group?
100

Water penny

100


Crayfish

100


Drone fly larva

100

Which way does the opening in a pouch snail's shell face?

Left

100

Water Strider

Group 2

200


Freshwater mussel

200


Dragonfly nymph

200


Black fly larva

200

Which species of worm moves by gliding through the water?

Flatworm

200

Midge fly larva

Group 3

300


Stonefly nymph

300


Scud

300


Horse fly larva

300

Which species of fly larva uses a tube to breathe?

Drone fly larva

300

Adult riffle beetle

Group 1

400

Mayfly nymph

400


Sowbug

400


Oligochaete worm

400

What is an operculum in mollusks?

A plate that closes the opening in a snail's shell

400

Crane fly larva

Group 2

500


Fishfly larva

500


Fingernail clam

500


Roundworm

500

Which species of worm is also called a nematode?

Roundworm

500

Adult whirligig beetle

Group 2