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Nine Major Animal Phyla

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There are nine major animal phyla (actually there are over thirty that are recognized by taxonomists so consider yourself getting off lucky). Choose two phyla that you find particularly interesting (while trying avoid combinations picked by other class members). Give common examples of each phylum and distinguish among them relative to types of tissues/tissue layers (none, diplobastic, triplobastic), body symmetry (assymetrical, radial symmetry, and bilateral symmetry) and presence and type of body cavity (acoelomate, pseudocoelomate, coelomate). Be careful not to confuse digestive cavities with body cavities. They are very different things. Briefly, discuss why the phyla would be similar or different for these characters based on evolutionary relationships and environmental influences.

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Phylum Mollusca: examples Clams and Octopus
The members of the phylum mollusca are bilaterally symmetrical, coelomates that have triploblastic tissue (Ramel nd).

Phylum Chordata: examples humans and rats
The members of phylum chordata are bilaterally symmetrical, coelomates that have triploblastic tissue (Myers 2001).

Both of these phyla have body cavities, but the mollusks have a reduced body cavity, which is limited to the area around the heart (Farabee 2005).

The ...

Solution Summary

This solution discusses two of the major nine phyla. It gives common examples of each as well as distinguishing characteristics, such as types of tissue layers and body symmetry. This solution is 220 words and there are also links included for any further information needed.

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Animal Phyla Classification

I need some help classifying animal phyla, the document attachment has a table with nine images. The images are examples of nine different Animal phyla: Porifera, Cnidaria, Nematoda, Arthropoda, Platyhelminthes, Annelida, Mollusca, Echinodermata, and Chordata.

Using the Dichotomous Key determine the Class category as shown for each animal (picture), and write the Class names under the Classification Column on the table.
List in column 2, all of the dichotomous key steps chosen when using the key to arrive at the classification for each animal.

Also list the Phylum name for each animal picture in column one using the nine Phyla listed above. Once all the Class category for each animal using the Key has been identified, look up the correct Phylum category using a credible reference.

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