[gore3000]

The environment in which the original fish (and other creatures) became amphibious and then land dwellers no longer exists. Now there is a great deal of competition from existing amphibians and land dwellers, so there's little opportunity or pressure for sea creatures to become land creatures.

Always an excuse for not being able to give proof. Instead of giving excuses, how about giving proof of evolution?

[NonZeroSum]

Always an excuse for not being able to give proof. Instead of giving excuses, how about giving proof of evolution?

It's not an excuse--it's a description of reality--something with which you're apparently unfamiliar.

It is not possible to "prove" any scientific theory--they can only be disproved.