populations

• Interspecific competition – competition between species

  Intraspecific competition – competition within species
• Carrying capacity - The maximum population size that can be indefinitely supported by an environment.
• prey predator relationship -

  • High levels of predator
  • causes decrease in prey
  • decreases in prey causes decrease in predator
  • decrease in predator causes increase in prey
  • increase in prey causes increase in predator