The transitional fossil Tiktaalik represents a species that was partway between fish with fins and amphibians. Read more about the species' gradual transition from water to land and why Tiktaalik was such an important discovery.

Click to read The "Fishapod" Tiktaalik  (PDF).

When you finish the passage, retype the following life forms in the order in which they appeared in evolutionary history (left to right, left being the earliest): Tiktaalik, amphibians, primitive fish.