# 24.10.16: competition and predation - Competition: one wins, one loses - Could be energy, food, mates, money, whatever - Competitive exclusion principle: only one winner (assumes a limited resource) - This impacts evolution: if there is overlap between two competitors for a limited resource, natural selection will favor the ones that don't overlap, since they don't have to compete for those resources:

**Unavailable Apple Wiki media:** the exported data did not include file 1ed1b6ab-b2c4-4816-ac64-9184800ff187.

This is called Resource partitioning (biologists love words like this)

Note that the two curves separate... Predator-prey and other fun stuff:

- Predation: one lives, one dies, example lion eats a zebra - Parasitism: one lives, other lives off of them (bad manners to kill the host), example worms - Mutualism: both win, example Egrets on back of horses or cows: egrets eat bugs, horse protects the egrets from ground predators - Commensalism: one wins, the other does not care, example orchids growing on branches - Herbivory: only plants die (e.g. cows) -

--- Migrated from Apple Server Wiki. Original page ID: 06o8f7