how organisms interact

Competition

• Limiting Factors:
• water
• living space
• food
• mates

predation

• predator - prey

adaptations

• camouflage
• keen eyesight/hearing
• warning coloration
• speed

symbiosis

• Mutualism - help/help
• Commensalism - help/neutral
• Parasitism - help/hurt

natural selection

• Organisms with the best adaptations survive longer, reproduce more, pass on the adaptations & become the majority of the population.