I don’t understand the question but if I can make a correct inference, they have thorns to protect themselves from predators.
D. Phenotype because a phenotype is observable traits
Answer:
In terms of the giraffeexample, Darwin's theory of evolution through natural selection wouldsuggest that a giraffewas born with a longer neck by random chance. ... Having access to more food allowed the giraffe to live longer and reproduce more, ultimately leading to more long-neck giraffes.