Chordates

Title: Chordates
Category: Society & Culture / Education | Words: 213 | Pages: 0.9 (approximately 235 words/page)

Chordates

Comparative Anatomy Lab One Abstract: This laboratory is to understand the classification and comparison of chordates. Introduction: In this lab manual it shows the structure of phylum Chordata, subphylum Vertebrata. The objective is to observe the major body systems and track its course of evolution from the start of the system to its presence in animals alive today. Also it is to discuss how these systems work together to produce life. The main topic to …showed first 75 words of 213 total…

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…showed last 75 words of 213 total…Cephalochordata. Urochordate larvae have a notochord and a nerve cord but they are lost in adulthood. Cephalochordates have a notochord and a nerve cord but no vertebrae. In vertebrates, the notochord has been replaced by a bony vertebrae. The chordates and two sister phyla, the hemichordates and the echinoderms, make up the deuterostomes, a superphylum. The extant groups of chordates and the major metozoan groups are shown in the phylogenetic tree in the lab manual.

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