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Discuss the major stages of development and the events that occur during each. While discussing each stage, explain the differences between non-Deuterostomia animals that exhibit protostomy and those that exhibit deuterostomy.

After fertilization and the formation of a zygote, animals undergo
embryonic development. Discuss the major stages of development and the events that occur during each. While discussing each stage, explain the differences between non-Deuterostomia animals that exhibit protostomy and those that exhibit deuterostomy. Identify which non-Deuterostomia phyla fall into each type of development. During gastrulation,the three major germ layers form. Discuss at least one example of how a germ layer gives rise to specific tissues, such as muscle and nerve.Make sure youre discussing a non-Deuterostomia animal.Youll need to include the basic genetic/molecular signaling pathways and cellular consequences that result in the differentiation (specialization of the cells)