Survivorship Curves


survivorship_curves.jpg
Type I : mortality occurs in the elderly
e.g: If there's ONE offspring:
>they are offered a lot of parental care
>well adapted into their environment


Type III: Juvenile mortality is high (R strategist)

  • >No parental care

Type II: Many organisms do not fit neatly into K- or R- strategists, they are somewhere in between.

  • >This means mortality does not depend on age.
e.g: Large fish
  • >Produced in smaller number
  • >Little parental care
  • >May die because of predation, humans, hunting (by humans) , competition, disease,unlikely by old age