Because their total lifespan is very short.
Oddly, you can evolve it quickly by exposing it to a Moon Stone.
Yes they were.
Correct,Insects ARE the only Invertebrates to evolve to fly!
I haven't reviewed this in a while but shouldn't it be life spans? The shorter the lifespan, the more generations within a certain time frame there are.
train it
Silcoon will evolve at a low level because bug Pokemon evolve quickly.
first you can find it in dragons den and then when it reaches lv 55 it will evolve,use exp share and battle with dragonair holding it... to lv it up quickly..
Level it up with Exp. or Rare Candies.
Several animals evolve after birth including frogs and toads. These animals are born as tadpoles and become frogs after birth. Many insects like butterflies also evolve after birth.
Insects shed their exoskeleton in order to grow. They expand quickly before the next exoskeleton hardens.
inherited genes that made it resistant to the pesticide
Some benefits of insects are: pollination of plants by some insects, some beneficial insects eat other, harmful insects.