What happens to animals that are deprived of oxygen

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca