Answer:
Developmental characteristics are important because they illustrate the process through which an organism changes from a single fertilized egg into a mature adult. Embryonic development refers to the changes and growth an organism undergoes, from conception to birth. Metamorphosis refers to the dramatic transformation that many species undergo during their life cycle, such as butterflies becoming winged adults from caterpillar larvae. These developmental characteristics are significant in understanding the evolution of species and how organisms have adapted to their ever-changing environment.
Step-by-step explanation: