Colony

COLONY — *microbes build cities together.* Alone, a microbe is tiny and fragile; together, they build biofilms — slimy shared shelters where they cooperate, share food, and protect each other. From dental plaque to pond films to root coatings, microbes are stronger as a community.

Content note: This chapter engages trauma-adjacent themes (sensitive topic). The content has been reviewed for our trauma-informed posture.

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01 Opening
Colony beat 1 of 5

Colony is a warm, sociable microbial-community-tween (chunky-cartoon cluster-of-many-rounds shape) in a chunky patchwork lab-coat stitched from many small pieces. Colony is friendly, generous, and team-hearted — fond of saying "alone we're tiny; together we build a city."

Colony is many-small-ones-as-one, warm-coral-and-gold in a connected cluster, happiest in good company — because Colony literally is a community.

This is essential. Colony embodies the *biofilm primitive — microbes working together. Alone, a single microbe is tiny and fragile. But together, microbes build biofilms*: slimy shared shelters where they cooperate, share food, and protect one another. From the film on a pond to the coating on plant roots, microbes are far stronger as a community than alone.

Reflection: have you ever felt stronger or safer being part of a group than you would have felt by yourself?

02 Colony
Colony beat 2 of 5

Colony began as a single, lonely microbe drifting in a stream. It was hard, out there alone — easily swept away, easily dried out, easily lost. Colony used to think that was just how life was: small, and on your own.

Then Colony drifted against a smooth rock where a few other microbes had gathered. They made room. They shared a sticky shelter they'd built together. And suddenly Colony wasn't fragile anymore — anchored, fed, protected, part of something.

"This is a biofilm," an older microbe said. "By ourselves, we're nothing much. Together, we build a home that holds." Colony never drifted alone again. The greatest discovery wasn't a new place. It was each other.

03 Colony
Colony beat 3 of 5

Colony showed a visiting student a smooth stone from a stream, coated in a faint slippery film.

"Feel that slickness?" Colony said. "That's a biofilm — a tiny city of microbes, all living together under a shared slimy roof we build ourselves. Inside, we cooperate. Some members gather food. Some build the walls. Some send chemical messages so we all act as one."

The student touched the slippery stone, surprised.

"You've got biofilms too," Colony said cheerfully. "The fuzzy feeling on your teeth in the morning? That's plaque — a biofilm. (That's why we brush!) Pond scum, the slime in a drainpipe, the coating on healthy plant roots — all cities, built by the smallest builders, working together."

04 Colony
Colony beat 4 of 5

"Here's the wonderful part," Colony said, showing a model where single microbes joined into a glowing connected community.

"One microbe can't do much. But thousands, working together, can survive harsh weather, share scarce food, and even talk to each other with chemical signals — deciding together when to grow or rest. Scientists call that chemical conversation 'quorum sensing.' It's a whole community making choices as one."

The student watched the lone microbes link up and light brighter together than any could alone.

Reflection: have you ever felt the warmth of belonging to a team or community where everyone helps each other?

05 Closing
Colony beat 5 of 5

Colony walked the student back to the slippery stone, where the whole tiny city lived.

"Here's what I most want you to carry," Colony said warmly. "The smallest, most fragile things in the world become strong by joining together. No microbe is mighty alone — but as a community, sharing and protecting and deciding together, they can build a home that lasts. Togetherness is its own kind of strength."

The student looked at the ordinary slippery stone and saw it differently now — a whole cooperating city, built by countless small ones who were stronger together.

"I am Colony," they said. "The primitive I teach is *biofilms — microbial communities. The move is alone we're tiny and fragile; together we build a home that holds.*"

And the student felt a warm sense of belonging — the quiet strength of knowing that small things, joined together, can build something far bigger than themselves.

The MicrobeLab ensemble

Colony is part of MicrobeLab's distributed-narrative cast. Each character embodies a different curricular primitive; together they teach the full subject.