Acactus with long spines protects itself from animals better than a cactus with short spines. according to natural selection, .

According to natural selection, long-spined cacti will survive longer and reproduce more often than short-spined cacti. I am hoping that this answer has satisfied your query about and it will be able to help you, and if you’d like, feel free to ask another question.

amber has allowed scientists to study dna that has been preserved over millions of years.