Since they couldn’t insert fish genes and enhancers into humans ... This evolutionary repurposing of genes that gave rise to ...

could our ears and fish gills be connected by more than just chance? As per the report, to explore this further, the team didn’t use fossils, because fossils can’t show soft parts like cartilage.

On a separate sheet of paper, draw a coelacanth, bull shark, and moray eel and label the body parts of each ... Explain your reasoning. Gills: Allow a fish to breathe. Some fishes have gills ...