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Apple maggot flies evolved when the ancestor began laying eggs on hawthornes. After apples were introduced to America, the flies started laying eggs on both apples and hawthornes.
Apple maggot flies originally were living only on hawthornes. When apples were introduced, some flies started reproducing on apples and so the apple maggot fly evolved.
they belong to giants
Complete. Egg, larva (maggot), pupa, and adult.
it comes out of its egg
maggot
In the case of the apple maggot flies, it is an example of sympatric speciation. Two different populations occur in different niches where there is no gene flow between the two.
A housefly starts from a egg. Once it hatches it becomes a maggot.
EVolve an egg? Never? how dumb are you?
an apple with a maggot in it for being a noob
Brown streaks may very likely be caused by the larvae of the Apple Maggot.
Hatches from an egg and is a maggot. Eventually, pupates and will emerge as a housefly resembling the parents.