Phyla

Please recommend me books for studying these topic. Paper-1 Section-A 1. Non-chordata and chordata 2. Classfication and relationship of varous phyla upto sub-classes; Acoelomata and Coelomata; Protostomes and Deuterostomes, Bilateralia and Radiata; Status of Protista, Parazoa, Onychophora and ...

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... groups of viruses; archaea and bacteria, and the principal lineages within each of these prokaryotic domains; eukaryotic supergroups; and animal phyla. In each of these pivotal nexuses in life's history, the principal "types" seem to appear rapidly and fully equipped with the signature ...

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... today and was suddenly struck by the following question: What is the cause of the interesting commonality of head morphology seen across different phyla? Comparing, say, arthropods with mammals, the locations of the mouth and sensory organs are more or less analogous. From a subjective standpoint ...

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The question makes no sense - there are filter feeders in just about every phylum, but (and I may be forgetting a really small phylum) only the sponges are exclusively filter feeders.

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Describe the difference between the nervous system of a filter feeding phyla and the phyla that hunt for food. Discuss the similarities and differences by listing specific organs and structures and their function. describe how these structures make an organism ...

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