Macroinvertebrates

A macroinvertebrate is......... (select all that apply)

• too small to be viewed without a microscope

• large enough to be seen without a microscope

• organisms that lack a backbone

• an indicator organism of stream health

What are the body parts of an insect? (Select all that apply)

• Head

• Thorax

• Abdomen

• Lorax

• Spindle

Choose the categories that are used to place macros in based on the type of indicator they are. (Select all that apply)

• Pollution sensitive

• Somewhat sensitive

• Pollution tolerant

• Pollution extreme

• Somewhat extreme

Where in a stream can you find macros? (select all that apply)

• Attached to rocks

• Attached to plants

• In fast moving water

• In leaf packs

Choose the organisms from the list below that are identified as "macroinvertebrates".

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A large variety of stoneflies, mayflies, and caddisflies tell a scientist that a stream is ____________________________.

• Healthy and clean

• Moderately polluted

• Highly polluted

• Not enough information to determine

Tags

NGSS.MS-LS2-4

If you were to find a lot of soft bodied worms, like planaria and leeches, amphipods and lunged snails this would indicate that the stream is ____________________________.

• Polluted

• Somewhat clean

• Healthy and clean

• Cannot determine the health

Which life cycle stage of an insect looks like a smaller version of the adult?

• Larva

• Pupa

• Nymph

• Casing

Choose the items that are used to collect and identify macroinvertebrates. (select all that apply)

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Macroinvertebrates found in water with low oxygen levels is an indicator of healthy water. (T or F)

• True

• False

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4