Animal Kingdom: Classification and Characteristics

To identify similarities and differences between them, making studying animals easier and more efficient.

Porifera

Level of organization, symmetry, germ layers, body segmentation, presence of a notochord, and phylum.

<p>Arthropoda</p> Signup and view all the answers

<p>Kingdom</p> Signup and view all the answers

<p>Chordata</p> Signup and view all the answers

<p>The simplest level of organization is loosely aggregated cells without tissues, seen in the Porifera phylum.</p> Signup and view all the answers

<p>The Platyhelminthes phylum exhibits the organ level of organization.</p> Signup and view all the answers

<p>A complete digestive system has both a mouth and an anus, while an incomplete digestive system has only one opening acting as both mouth and anus.</p> Signup and view all the answers

<p>In radial symmetry, any plane can divide the body into two equal halves, while in bilateral symmetry, only one plane can divide the body into two equal halves.</p> Signup and view all the answers

<p>Organisms can be classified as diploblastic (having two germ layers) or triploblastic (having three germ layers).</p> Signup and view all the answers

<p>The siloam is a body cavity present between the body wall and gut, lined by mesoderm. Organisms can be classified based on the presence or absence of siloam and whether it is lined by mesoderm or not.</p> Signup and view all the answers