Help me :( please better at math then bio

Which osmotic and ionic strategies must marine teleost fishes employ?

Across of blue x blue (both heterozygous) would result in

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.