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Chapter 10
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Ecology and Environment

The colony becomes its environment

Niche construction
Environmental engineering
Feedback loops
Extended phenotype

Niche Construction

Colonies actively engineer their environment through trail formation, nest architecture, and soil chemistry modification.

The colony and environment co-evolve through feedback loops. You cannot understand ant behavior by studying ants in isolation.

Environmental Engineering

Ant nests modify temperature, humidity, and airflow. Trails compact soil and clear vegetation. Midden piles change soil chemistry.

Over time, the environment becomes an extension of the colony - shaped by and shaping colony behavior.

Feedback Loops

Successful trails get reinforced, making them more successful. Popular nest chambers get expanded, attracting more activity.

Positive feedback creates stability. Negative feedback prevents runaway growth.

Key Concepts

Niche construction
Environmental engineering
Feedback loops
Extended phenotype

"The colony doesn't just live in its environment - it becomes its environment."

- Deborah Gordon

Summary

Colonies actively engineer their environment through trail formation, nest architecture, and soil chemistry modification. The colony and environment co-evolve through feedback loops. You cannot understand ant behavior by studying ants in isolation.

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Lessons from Ants at Work

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