3. It has gills when they are young which are replaced by lungs then
that flies.
5. It is an invertebrate that does not fly.
6. It has soft body enclosed in a hard shell,
7. It has gills that help in breathing under water,
3. It has lungs used for breathing and it feeds theirs young with minik
0. It is a vertebrate that flies with two legs used for running and
walking.
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