Chapter

Evolutionary Ecology of Parental Investment and Larval Diversity

Edited by Dustin Marshall, Justin McAlister and Adam Reitzel

in Evolutionary Ecology of Marine Invertebrate Larvae

Published in print December 2017 | ISBN: 9780198786962
Published online January 2018 | e-ISBN: 9780191829086 | DOI: https://dx.doi.org/10.1093/oso/9780198786962.003.0003
Evolutionary Ecology of Parental Investment and Larval Diversity

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  • Aquatic Biology
  • Animal Pathology and Diseases

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Marine larvae vary enormously in the amount of care (be it in the form of energy or other costly caregiving that increases offspring fitness) they receive from their parents. In contrast to terrestrial taxa, parental investment is less coupled to phylogeny in marine taxa, such that closely related species may have wildly different parental investment strategies. Such diversity demands explanation, and marine biologists have been fascinated by variation in parental investment for over 100 years. In this chapter, we review patterns in parental investment in space, review the theory of parental investment in life history theory, explore the key assumptions of life history theory as it pertains to parental investment, and then examine the evolutionary causes and ecological consequences of variation in parental investment for marine organisms.

Keywords: egg size; maternal effect; transgenerational plasticity; life history theory; parental investment

Chapter.  10115 words.  Illustrated.

Subjects: Aquatic Biology ; Animal Pathology and Diseases

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