Resemblances between swifts and swallows are due to convergent evolution, reflecting similar life styles based on catching insects in flight. The family name, Apodidae, is derived from the Greek á¼ÏÎ¿ÏÏ (Ã¡pous), meaning footless, a reference to the small, weak legs of these most aerial of birds.
Does Saturn have an atmosphere and what does it consist? The planet Saturn does have an atmosphere, and indeed, it consists mostly of atmosphere. The main chemical constituents of the atmosphere of Saturn are methane, ammonia, and hâ¦ydrogen. 5 people found this useful.
Earth is the third planet from the Sun whereas Saturn is the sixth planet. When comparing the size, Saturn is much bigger than Earth. Saturn is second largest planet in the Solar system. Saturnâs equatorial diameter is 120,536 km, which is about 9.5 times bigger than that of Earth. Moreover, Saturnâs surface area is 83 times that of Earth. When comparing Earth and Saturn, the former is the densest planet of the two. One of the prominenet difference is that Earth has life in it.