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Title
Fertility
Anatomy
Inject
Collect
Compare
interactive tutorials
microscope basics
microscope tutorial
microscope measurement
microscope compare
specimen compare
development & embryology
fertilization lab
embryogenesis to hatching
analyzing gene function
ecology & environment
our acidifying ocean
predator & prey
surfing to settlement
basic biology
urchin anatomy
about us
teacher resources
useful links

Spawning and Fertilizing Sea Urchins