The earliest amphibians evolved in the Devonian Period from sarcopterygian fish with lungs and bony-limbed fins, features that were helpful in adapting to dry land.
The earliest amphibians evolved in the Devonian period from sarcopterygian fish with lungs and bony-limbed fins, features that were helpful in adapting to terrestrial life.
Roach from the lake with highest predation pressure were most divergent from the average body shape of all populations, characterized by a more streamlined body and caudally inserted dorsal fins; features that facilitate predator escape.
This species has a more slender, cylindrically shaped body and smaller pectoral fins, features that reduce hydrodynamic drag and hence reduces the energetic demands of maintaining position in flowing water [ 34, 36, 37].
Tiktaalik generally had the characteristics of a lobe-finned fish, but with front fins featuring arm-like skeletal structures more akin to a crocodile, including a shoulder, elbow, and wrist.
Female mosquitofish exposed to LNG were masculinized as evidenced by the elongation of the anal fin rays, a feature normal to males and abnormal to females.
Returned are the robots from the Ocean ad, but unlike the Ocean ad the Fin's feature the phones features, like YouTube and Flickr uploading, very good things indeed.
Ignoring tetrapod-like characters like sturdy wrist bones, a flattened skull, flexible neck, and thick ribs, they concentrate on the superficial appearance of one feature, the fin.
Aircraft livery includes a yellow-and-black tail fin flash, the base featuring a yellow tiger's head outlined in black, with a red mouth, white fangs and white eyes.
