Animal phyla characteristic chart PDF

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Summary

Animal phyla characteristic chart from bio 7...

Description

es

a

Symmetry

-

radial

bilateral

bilateral

bilateral

bilateral

bilateral

bilateral

bilateral

Germ Layers

-

diploblastic

triploblastic

triploblastic

triploblastic

triploblastic

triploblastic

triploblastic

triploblastic

Body Plan (cavity)

-

-

acoelomate

pseudocoelom ate

coelomate

coelomate

coelomate

coelomate

coelomate

Formation of Body Cavity

-

-

protostome

protostome

protostome

protostome

protostome

deuterostome

deuterostome

Protostomia

-

-

Lophptrochozo Ecdysozoa a

-

-

Nervous Systen

-! rely on water for input of oxygen

simple:! has nerve net for nervous system

ladder-like: 2 longitudinal nerve cords connected by a series of transverse nerves, cephalization

simple yet developed (nerve cords, body cavity with internal organs, and a primitive brain)

Reproductive Structures

monoecious/ hermaphrodite s

depending on species they can be monoecious/ hermaphrodite s or dioecious/ separate sexes

monoecious/ hermaphrodite s, many members are parasitic

dioecious (separate sexes)

Reproductive System asexual vs sexual

sexual and asexual

sexual and asexual

sexual and asexual

sexual and asexual

Digestive System

-

incomplete (presence of gastrovascular cavity w one opening)

incomplete

complete ribbonlike digestive tract permits food to pass through in one direction only (mouth to anus)

Excretory System

-! rely on water to remove waste

-

simple:! small structures called flame cells- push out waste by currents through pores

simple: two lateral lines running the length of the body for the elimination of metabolic wastes (waste

Lophptrochozo Lophptrochozo Ecdysozoa a a

Animal Phyla & Their Characteristics...