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Earth Sciences 17 Online
OpenStudy (justuu):

Medal &/or Fan As an embryo develops inside the mother: it does not need food until birth it receives food from the mother's blood it receives food from the mother's yolk sac it makes its own food

OpenStudy (justuu):

@TheSmartOne @kittiwitti1 @lovielove456767890 @One098

TheSmartOne (thesmartone):

its definitely not A or D...

TheSmartOne (thesmartone):

I would say B... http://scienceline.ucsb.edu/getkey.php?key=3059

TheSmartOne (thesmartone):

@justuu @~

OpenStudy (justuu):

thank you

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