Question

Describe the differences between type I, type II, and type III survivorship curves. Diagram each and provide an example organism for each type.

Answer 1

Answer:

Type I survivorship curves:

Type I survivorship curves depicts the curves of the organisms that survive at middle and early stage but dies at later stage of life. Type I survivorship curve shows convex shape on graph. Example : Human.

Type II survivorship curves:

Type II survivorship curves depicts the curves of the organisms that has constant mortality rate throughout their life stages. Type II survivorship curve shows linear shape on graph. Example : Squirrel.

Type III survivorship curves:

Type III survivorship curves depicts the curves of the organism that contains the fewer individuals till adulthood. Type III survivorship curve shows concave shape on graph. Example : Fishes.