This question is perfectly suited to be answered by a counter-question. However, since answers.com do not like questions being answered with questions, I'll rephrase the question as a simple statement:
There's no particular reason that they should have been wiped out. All forms of life face certain challenges on their long evolutionary paths; some are overcome, others cause extinction. The ladybug is no more or less likely to face such challenges than any other form of life.
natural selection
Adaptation is the result of natural selection.
by natural selection.
Yes, natural selection is always occurring.
Natural selection can only work on genetic variation that already exists. So mutation comes first, then natural selection.
Its NaTuRaL sElEcTiOn if you didn't know.
natural selection
Adaptation does not allow for natural selection: natural selection causes adaptation.
The prefix of natural selection is "natural" and the suffix is "-tion".
Genetic variation in itself does not 'support' natural selection: it is what natural selection acts upon.
Natural selection is what causes adaptation.
No, natural selection is the mechanism that drivesevolution.
That selection was natural.
Adaptation is the result of natural selection.
Natural Selection
Natural selection.
Natural selection