Differences In Animal Phyla Because they be grouped in the aforementioned(prenominal) kingdom, the nine animal phyla sh atomic number 18 the same fundamental characteristics- they are multicellular, heterotrophic eukaryotes that obtain nutrients through ingestion, they lack cell walls, they start spooky tissue and muscle tissue, and they reproduce sexually and adjudge a unique conceptusnic life cycle. However, the animal phyla arrive at a great number of differences as well. Some are apparent to the naked eye, while others are less obvious, and thus farthest more cannot even be seen after conceptusnic development. What are these differences, and how did they shape the development of the phylogenetic tree?
In animals, the embryo becomes layered through the process of gastrulation, or the formation of the cardinal layered, cup-shaped embryonic stage from a blastula. These layers are called germ layers. more or less animals are triploblastic, meaning they have three germs layers. These are the ectoblast, the endoderm, and the mesoderm. The ectoderm i...If you want to get a full essay, order it on our website:
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