Biology, 11.11.2019 01:31 loulou6166

What are the characteristics of the phylum chordata

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Characteristics of Chordata. Animals in the phylum Chordata share four key features that appear at some stage during their development: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post- tail (Figure 2). In some groups, some of these are present only during embryonic development.

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The characteristics of the phylum chordata are:

The Chordates are the best known deuterostomes since the Vertebrates, the Urochordates and the Cephalochordates belong to this edge.

Its symmetry is bilateral.They present notochord is a flexible, rod-shaped structure that extends throughout the body and appears in the endoskeleton of the embryo.The tubular nerve cord is located in the dorsal area and this is what differentiates it from other groups where its location is ventral.The pharyngeal gill slits are slit-like openings that communicate the exterior with the pharyngeal cavity.

Therefore, we can conclude that the characteristics of the phylum chordata are: Bilateral symmetry, a nerve cord in a dorsal position, a supporting structure called the notochord.

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mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

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