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Viola
I’ve been a featured speaker so many times that I don’t remember individual talks. Now, who is this young man?

Beadle
This is Grayling Fischer, a college student who knows a lot about the fish of Yellowstone.

Since you contacted me directly, you must already know I have an amateur interest in aquatic macroinvertebrates—visible animals that lack a backbone and live in water. Many types of insect larvae are aquatic macroinvertebrates. “Larvae” refers to the youthful stage of newly hatched insects before they change into their adult forms.

Viola
You are no amateur—you’re a doctor!

Beadle
Ah, but my interest in macroinvertebrates is not how I earn my bread and butter. I am a history professor at our local university.

Now, let’s get on with things! Your note sounded urgent.

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Cast of characters - Maya Crowbes, Dr. A Beadle, Gray Fischer, Viola DeRama
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Q: What is an example of a macroinvertebrate?

GLOSSARY: aquatic—having to do with water

macroinvertebrate(s)—a visible animal that lacks a backbone

larva(e)—newly hatched insects that are still without wings