Which statement best characterizes external fertilization?

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External fertilization produces fewer gametes than internal fertilization

  

Pheromones are the proven trigger for gamete release in external fertilization.

  

External fertilization is more common in fish than in birds.

  

Species with external fertilization do not practice the courtship rituals common to species with internal fertilization.

 

asked Jan 1, 2013 in Biology by anonymous
    

1 Answer

0 votes

 

External fertilization is more common in fish than in birds.

 

answered Jan 1, 2013 by anonymous



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