If survival rates do not vary with age,as in many species of perennial plants,reptiles,adult birds,and rodents,survivorship curves are typically
A)type I.
B)type II.
C)type III.
D)type IV.

Question

Quizplus · Accepted Answer

Type II survivorship curves represent species where the mortality rates are constant across all ages, which is the case for the species mentioned in the question. Type I curves are for species that have a high survival rate during early life but experience high mortality rates in old age, while Type III curves represent species that show high mortality rates during the early stages of life but have higher survival rates in later stages. Type IV curves are seen in species where the mortality rates are very high from the beginning of life, and few individuals survive to adulthood.

If Survival Rates Do Not Vary with Age,as in Many