Question

At some point in the past, the bones in the fins of a population of fish become largedr and larger. The bones become able to support the weight of the organisms when they were out of water. What other changes over time would be needed for fish to live out the water?

Answer 1

Fins would disappear, organs would develop, different eyes

Answer 2

They would need to modify some parts of their body such as fins or skin to be able to move on land and breathe the air of the atmosphere, as well as amphibians. They must also change their scales for a skin that helps them adapt to the climate outside the water.