The characteristic that applies only to embryos rather than adults is gill slits that turn into gills. In embryos, both fish and reptiles (like all vertebrates) exhibit gill slits, but these structures develop differently in adults: they become gills in fish and are generally not present in reptiles.
Listed below are characteristics that serve as evidence of shared ancestry between fish and reptiles. Select the option that applies only to embryos rather than adults.(1 point) Responses gill slits that turn into gills gill slits that turn into gills spines and tails spines and tails hatch from and lay eggs hatch from and lay eggs scales as a form of skin
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