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.
Saturn has at least 61 moons, though many of the moons are very small (6 miles in diameter). Saturnâs largest moon isnamed Titan. Titan, which is larger than the planet Mercury, is the only moon in the solar system to have its own atmosphere. It makes up more than 90 percent of all mass orbiting Saturn. Saturn has at least 61 moons, though many of the moons are very small (6 miles in diameter). Saturnâs largest moon isnamed Titan.