Biology, 21.11.2019 07:31 lambobacon9027

Blank will develop pharyngeal arches. blank will develop a postanal tail in the embryonic stage

1st blank - earthworms, barb fish, crabs, leeches

2nd blank - ladybugs, snails, sea cucumbers, newts

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Blank will develop pharyngeal arches. blank will develop a postanal tail in the embryonic stage