Phyla in the animal Kingdom

Representative

animals

 

Common Name

Body

symmetry:

v     Bilateral

v     Radial

 

 

Body Plan

 ( coelom)

v     2 tissue layers

v     acoelomate

v     pseudocoelomate

Embronic development

v     deuterostome

v     protostome

# germ

layers

2/3

Porifera

 

 

 

 

 

 

Coelenterates (Cnidaria)

 

 

 

 

 

 

Platyhelmenthes

 

 

 

 

 

 

Nematoda

 

 

 

 

 

 

Mollusca

 

 

 

 

 

 

Annelida

 

 

 

 

 

 

Arthropoda

 

 

 

 

 

 

Echinodermata

 

 

 

 

 

 

Chordata

 

 

 

 

 

 

 

 

 

 

Digestive system

v      Branched digestive cavity with 2 openings

v      Complete digestive tract- tube within a  tube

v      Gastrovascular cavity

v      Individual cells

 

Circulation

v      Closed

v      Open

v      Gastrovascular cavity

v      No circulatory system

 

Gas exchange

v      Gastrovascular cavity

v      Gills

v      Lungs or gills

v      Simple diffusion (no system)

v      Skin

v      Trachea/book lungs /book gills

v      Tube feet

 

Waste disposal

v      Simple diffusion

v      flame cells

v      gastrovascular cavity

v      kidneys

v      malpighian tubules

v      nephridia

Nervous system:

(choose one from each category)

¨       Cephalized

¨       not cephalized

________________

v      nerve net

v      3 pairs of ganglia

v      dorsal nerve cord

v      ventral nerve cord

v      2 ventral nerve cords

Porifera

 

 

 

 

 

 

Coelenterates (Cnidaria)

 

 

 

 

 

 

Platyhelmenthes

 

 

 

 

 

 

 

Nematoda

 

 

 

 

 

 

 

Mollusca

 

 

 

 

 

 

 

Annelida

 

 

 

 

 

 

 

Arthropoda

 

 

 

 

 

 

 

Echinodermata

 

 

 

 

 

 

 

Chordata

 

 

 

 

 

 

 

 

 

Reproduction

v     separate sexes

v     hermaphrodites

v     asexual

v     sexual & asexual

Major evolutionary advances

 

Porifera

 

 

 

Coelenterates (Cnidaria)

 

 

 

Platyhelmenthes

 

 

 

Nematoda

 

 

 

Mollusca

 

 

 

Annelida

 

 

 

Arthropoda

 

 

 

Echinodermata

 

 

 

Chordata