Question

Discuss mortality, life tables, age structure, sex ratio, and exponential/logistic population growth concepts, highlighting ecological significance with examples.

29 Jan 2026
Answer :
Word Count : 541
Mortality refers to the death of individuals in a population and is a fundamental factor regulating population size and structure. It varies with age, sex, environmental conditions, and biological traits of species. High mortality at early life stages is common in organisms such as fishes and plants, where many offspring are produced but only a few survive to adulthood. Ecologically, mortality influences population turnover, natural selection, and energy flow, as dead organisms contribute to nutrient cycling through decomposition. Life tables are systematic summaries of mortality and survival patterns of a ________ ______ ___ ___ _______ ______ ______ __________ ______ _______ ______ ______.
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