- exchanged metabolites
- leaked substrates
- symbiotic products
- colony-level transfers
Operational definition
Accounting output.
Matter, reducing equivalents, electrons, or costly biological compounds transferred from the focal system to another living participant in a symbiosis, consortium, colony, or metabolic partnership.
The transfer may be:
- actively transported;
- secreted;
- leaked;
- exchanged;
- conducted electrically;
- released through controlled cell breakdown.