Flies normally have 2 antennae. These are commonly used for sensing things in the environment, and also for smelling things.
"Fireflies" by Owl City talks about "ten million fireflies," but also mentions "ten thousand lightning bugs. If you mean how many times the word "fireflies" is said in the song, it is said twice.
2
a grass hopper has 2 antennae's
two
7,0000000000.0000
There is not a particular amount of metaphors in 'Fireflies' because the song itself can be interpreted as a single metaphor.
90 BPM
It is impossible to know exactly how many species on earth have antennas. All insects have antennas and although only 900,000 have been recorded most scientists believe there could be as many as 5 million species of insects.
There are many places where one can purchase car antennas. One can purchase car antennas from popular on the web sources such as Auto Trader and eBay Motors.
4
it has 2 beautiful antennas
millipedes don't have antenna