Question

How do survivorship curves show three types of reproductive strategies?

Answer 1

The related mathematics help to demonstrate the relationship between reproductive strategies and lifecycles. Reproductive strategies affect the Type I and Type III curves the most.

Explanation:

Survivorship curves fit three types.
A Type I curve shows a low death rate in early and middle life but the death rate increases steeply in old age.
A Type II curve shows a death rate is more constant throughout the lifetime of the species.
Type III curve shows high early death rates but the death rate slows for those individuals who have survived the early stage.

http://algebralab.org/practice/practice.aspx?file=Reading_SurvivorshipCurves.xml

Survivorship and fecundity schedules are the raw data of any life table. From them we can calculate a variety of other quantities, including age-specific rates of survival, mortality, fecundity, survivorship curves, life expectancy, generation time, net reproductive rate, and intrinsic rate of increase.
http://www.afrc.uamont.edu/whited/Life%20tables,%20survivorship%20curves,%20and%20popuation%20growth.pdf