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(N/A) The following table provides a comparative summary of the key characteristics of the various phyla within the Animal Kingdom:      Phylum    Lev

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(N/A) The following table provides a comparative summary of the key characteristics of the various phyla within the Animal Kingdom:

Phylum	Level of Organisation	Symmetry	Coelom	Segmentation	Digestive System	Circulatory System	Respiratory System	Distinctive Features
Porifera	Cellular	Various	Absent	Absent	Absent	Absent	Absent	Body with pores and canals in walls
Coelenterata	Tissue	Radial	Absent	Absent	Incomplete	Absent	Absent	Cnidoblasts present
Ctenophora	Tissue	Radial	Absent	Absent	Incomplete	Absent	Absent	Comb plates for locomotion
Platyhelminthes	Organ and Organ System	Bilateral	Absent	Absent	Incomplete	Absent	Absent	Flat body,suckers
Aschelminthes	Organ System	Bilateral	Pseudocoelomate	Absent	Complete	Absent	Absent	Often worm-shaped,elongated
Annelida	Organ System	Bilateral	Coelomate	Present	Complete	Present	Present	Body segmentation like rings
Arthropoda	Organ System	Bilateral	Coelomate	Present	Complete	Present	Present	Exoskeleton of cuticle,joined appendages
Mollusca	Organ System	Bilateral	Coelomate	Absent	Complete	Present	Present	External skeleton of shell usually present
Echinodermata	Organ System	Radial (Adult)	Coelomate	Absent	Complete	Present	Present	Water vascular system
Hemichordata	Organ System	Bilateral	Coelomate	Absent	Complete	Present	Present	Worm-like with proboscis,collar,and trunk
Chordata	Organ System	Bilateral	Coelomate	Present	Complete	Present	Present	Notochord,dorsal hollow nerve cord,gill slits

Column-$I$ (Organisms)	Column-$II$ (Common name)
$A$. Pennatula	$i$. Sea-fan
$B$. Gorgonia	$ii$. Sea-pen
$C$. Adamsia	$iii$. Sea-Anemone
$D$. Cucumaria	$iv$. Sea-cucumber

Phylum/Class	Excretory organ	Circulatory system	Respiratory organ
Arthropoda	$...............$	$...............$	Lungs/Gills/Tracheal system
$...............$	Nephridia	Closed	Skin/Parapodia
$...............$	Metanephridia	Open	$...............$
Amphibia	$...............$	Closed	Lung

Provide a comparative summary of the features of all phyla under the Animal Kingdom.

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Match the organisms given in column-$I$ with their common name given in column-$II$ and choose the correct option.
Column-$I$ (Organisms) Column-$II$ (Common name)
$A$. Pennatula $i$. Sea-fan
$B$. Gorgonia $ii$. Sea-pen
$C$. Adamsia $iii$. Sea-Anemone
$D$. Cucumaria $iv$. Sea-cucumber

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