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INTERRELATIONSHIPS
Different ways species can get along, or not get along
Predation + -
Competition - -
Parasitism + -
Commensalism + o
Mutualism + +
+ = benefit
- = harmed
0 = unaffected
e.g., +- means one gains, one loses
INTERRELATIONSHIPSCompetition
Which Type?
Both the bobcat and coyote lose when the other eats common food source
INTERRELATIONSHIPSCommensalism
Which Type?
Snake gains home, rodent unaffected (hole abandoned long ago)
INTERRELATIONSHIPS: Review
CommensalismWhich Type?
Elf owl gains and woodpecker is unaffected
Elf owl gains by using abandoned saguaro hole made by woodpecker