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external fertilization

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
external fertilization [ek¦stərn·əl ‚fərd·əl·ə′zā·shən]
(physiology)
Those processes involved in the union of male and female sex cells outside the body of the female.


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Consequences of surf-zone turbulence for settlement and external fertilization.
[ILLUSTRATION OMITTED] Worldwatch biofuels research associate Raya Widenoja responds: Second-generation biofuels based on biomass from perennial crops such as prairie grasses, or from woody crops or wood waste, can be used to provide energy and build carbon levels in soils without requiring external fertilization, pesticides, or irrigation.
How can there be "pregnant females" in an animal with the external fertilization described in the article?
 
 
 
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