MACKENZIE CHENAULT

CAN ONLY USE SMALL RANGE OF RESOURCES

CAN USE WIDE RANGE OF RESOURCES

ANIMALS THAT ALLOW SOME ASPECT OF THEIR INTERNAL PHYSIOLOGY TO VARY WITH ENVIRONMENTAL CONDITIONS

ANIMALS THAT MAINTAIN INTERNAL CONSTANCYIN THE FACE OF EXTERNAL VARIABILITY

BOTH SPECIES BENEFIT

ONE SPECIES BENEFITS BY KILLING THE OTHER

ONE SPECIES BENEFITS WHILE THE OTHER IN UNHARMED

MANY SPECIES GET THEIR FOOD BY EATING OTHER ORGANISMS

OCCURS WHEN MORE THAN ONE ORGANISM USES A RESOURCE AT THE SAME TIME