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Abstract

[Extract]The life history of any organism is described by the sequence of developmental stages from birth to death, and by the schedule of associated vital processes, including growth, reproduction, and mortality. Since the resources required for these processes are never in infinite supply, and since environments are always variable, an organisms life history is, to some extent, a compromise. For example, if an animal concentrates on increasing its ability to survive by investing most of the energy at its disposal on building a sturdy, well-defended skeleton, then it cannot also invest maximally in fecundity by producing vast numbers of eggs. Resources must be budgeted to potentially competing processes. thus, an organism's schedule of life-history events can be thought of as the consequence of a pattern of investment - an investment "strategy" - that has been maintained over evolutionary time by natural selection.

Item ID:	25771
Item Type:	Article (Research - C1)
ISSN:	1545-2786
Date Deposited:	11 Jul 2013 04:24
FoR Codes:	06 BIOLOGICAL SCIENCES > 0602 Ecology > 060205 Marine and Estuarine Ecology (incl Marine Ichthyology) @ 100%
SEO Codes:	96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960802 Coastal and Estuarine Flora, Fauna and Biodiversity @ 100%
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