This preview shows page 1. Sign up to view the full content.
Unformatted text preview: - natural selection makes competing organisms different coevolution between predator/prey - populations oscillate since predator depends on prey lag and offset oscillations between predator/prey keystone species - presence has much influence on the community o ex. beavers predation - consuming of 1 organism by another kill predator >> increase prey population coevolution >> predator/prey continually develop better offense/defense plant defenses- mostly uses morphological defenses (thorns, spines, hairs) o secondary chemical compounds - toxic or disturbs metabolism animal defenses- tries to show predators that they taste bad o chemical defenses - used as weapons against predator o warning coloration - tells predators that they have toxic chemicals o cryptic coloration - blends in w/ surroundings reduces competition indirect effects - 1 organism affecting another indirectly through a 3rd organism...
View Full Document
This note was uploaded on 01/04/2012 for the course BSC BSC1005 taught by Professor Orlando,rebecca during the Fall '10 term at Broward College.
- Fall '10