Lavalli sperm limitation


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Lavalli sperm limitation
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Lavalli sperm limitation

The importance of sperm limitation to the evolution of egg size in marine invertebrates. Levitan DR. Interspecific variation in egg size of marine invertebrates has been previously explained by a trade-off between gamete quality and quantity: the production of many small eggs with high mortality or fewer large eggs that.

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Lavalli sperm limitation

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Trends Ecol Evol. Jun;10(6) doi: /S(00) Sperm limitation in the sea. Levitan DR(1), Petersen C. Author information: (1) Don Levitan is at the Dept of Biological Science, Florida State University, Tallahassee, FL , USA. Because sperm outnumber eggs, it is often assumed.

Sperm limitation in the sea. - PubMed - NCBI

Lavalli sperm limitation
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The importance of sperm limitation to the evolution of egg size in marine invertebrates.

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Description:Advanced Search Abstract To consider effective resource management strategies for the coconut crab, Birgus latro, we determined the size of males at sexual maturity by histological methods and investigated an optimal method to estimate the number of sperm in spermatophores. Using this method, we investigated the relationship between male size and number of sperm retained by males. Larger male coconut crabs have a higher number of sperm in both the vasa deferentia and testis.

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Views: 2464 Date: 2018-05-10 Favorited: 17 favorites

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