Asexual reproduction produces genetically similar or same offspring whereas sexual reproduction [produces genetically varied offspring.
One will be due to climatic change or it might be coz of evolution
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Given the answers;
a) Reptiles
b) Cactus plants
c) Small birds
d) Crabs and crayfish
The answer is C. Small birds.
On his visit to the Galapagos Islands, Charles Darwin discovered several species of finches that varied from island to Island, which helped him to develop his theory of natural selection.