mortality is highest during the young stages
for?
a) type I survivorship curve
b) type II
c) type III
d) IV
The correct answer is "c) type III". Type III survivorship curve is concave-shaped curve that has the lowest age-specific survival or the highest young age mortality. This includes mostly marine invertebrates which produce a large number of offsprings. Offsprings surviving initial hurdles, tend to live longer.
Type I survivorship curve shows high age-specific survival probability in early and middle life and high decline in survival in later life.
Type II survivorship curve shows uniform mortality rate regardless the age.
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