|
Phyla/Class |
Integument/Skeleton |
Circulatory System |
Digestive System/Excretory System |
Nervous System |
Image |
| Porifera
|
Either Spongen a flexible protein or simply
mineral containing particles. |
None. |
No digestive tract of any kind, they digest
within the cells. |
None. |
|
| Cnidaria
|
Hydrostatic, some have exoskeleton and or
endoskeletons. |
None. |
Excrete metabolic waste in each cell, extra
cellular. |
Marginal sensory bodies, no brain. |
|
| Mollusca
|
Hard shells. |
Most have three chambered hearts and an open
circulatory system. |
Coelem, a refuse dump in which waste laden body
fluids are collected, Nephridia filters nitrogen filled waste. |
Ganglea connected by nerve parts, highly
developed brain. |
|
| Echinodermata
|
Endoskeleton internal skeleton. |
Particles move freely throughout the large
fluid-filled coelom. |
In most waste and respiratory removal are
performed by skin gills. |
Central ring of nerves from which five
branches arise. No centralization of nerve function and no brain. |
|
| Arthropoda
|
Exoskeleton, A rigid external shell made of a
substance called chittin. |
Closed circulatory system. Includes tubular
segmented heart, pumps hemolymph to organs. |
Uricacid and guanin are excreted through the
anus to prevent water loss. |
Segmented gangilia that may unite into large
units such as cerebral gangliar. |
|
| Chordata/Osteichthyes
|
Backbone. |
Two chambered heart, arterial and venous systems
and four pairs of aortic arches. |
Unable to synthesis aromatic amino acids, and
must consume these. |
Brain with small olfactory lobes and
cerebrum, large opitc nerves. |
|
| Chordata/Amphibia
|
Vertebral Column. |
Closed circulatory system, pulmonary veins. |
Extra cellular digestion and uses a mouth to
ingest food. |
Dorsal nerve cord, notochord. |
|
| Chordata/Reptilia
|
Vertebral Column. |
Heart has two auricles and one ventricle. |
Extra cellular digestion and uses a mouth to
ingest food. |
Dorsal nerve cord, notochord. |
|
| Chordata/Aves
|
Backbone. |
Four chambered heart, closed circulatory system. |
Extra cellular digestion and uses a mouth to
ingest food. |
Dorsal nerve cord, notochord. |
|
| Chordata/Mammalia
|
Backbone. |
Four chambered heart oxygen rich blood delivered
to tissues. |
Extra cellular digestion and uses a mouth to
ingest food. |
Dorsal nerve cord, notochord. |
|
