| Description | Code |
| to provide shelter, escape route; to protect or conceal | COVER |
| a symbiotic relationship in which one organism (Symbiont) benefits but the other organism (Host) is neither helped or harmed. | COMMENSAL-BENEFITS: |
| a symbiotic relationship in which one organism (Symbiont) benefits but the other organism (Host) is neither helped or harmed. | COMMENSAL-BENEF. BY: |
| a symbiotic relationship in which both organisms benefit. | MUTUALISM WITH: |
| a symbiotic relationship in which one organism (Parasite) benefits at the expense of the other organism (Host), often injuring it. | PARASITIZED BY: |
| a symbiotic relationship in which one organism (Parasite) benefits at the expense of the other organism (Host), often injuring it. | PARASITIZES: |
| the simultaneous demand by two or more species for food, living space, or other resources. | COMPETES WITH: |
| the act of one organism (Predator) seeking and feeding on another organism (Prey). {Code PREDATOR, NOT FOOD} | PREYED ON BY: |
| an organism that transmits disease-causing microorganisms. | TRANSMITS DISEASE TO: |
| an organism which causes a disease | CAUSES DISEASE IN: |
| any organism which can induce a poisonous or toxic effect on another species. | POISONOUS/TOXIC TO: |
| production of offspring by a male & female of different species, varieties, or breeds. | HYBRIDIZES WITH: |
| specified in comments. | OTHER: |
| specific association has not been identified. | UNKNOWN: |
| | POISONED BY: |
| | POLLINATES: |
| | DISPLACES: |
| | DISPLACED BY: |