Paleontologists have discovered fossils of related fish
species that evolved into land animals. The images are
artistic representations of these creatures.
The most recent is Pederpes at the bottom.
Use your knowledge of developmental changes to
order the fish from earliest to most recent. Choose the
correct order from the drop-down menu.
3, 2, 4, 1
2, 3, 1,4
4, 2, 1,3
1, 2, 3, 4
Done

Iwould say a is accurate

How is it possible that phylogenies based on sequences from nuclear genomes and organellar genomes (i.e., chloroplasts and mitochondria) from the same group of species yield phylogenetic trees with different branching orders?   answer :   the genome of the endosymbiont is more closely related to members of the group in which it originally evolved, while the nuclear genome of the engulfing organism has its own evolutionary trajectory.

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.