KINGDOM ANIMALIA

PHYLUM PORIFERA

• No definite symmetry
• Body multicellular, few tissues, no organs
• No true body cavity
• Sexual & asexual reproduction
• Aquatic environments

EXAMPLES

• Colonial sponge
• Freshwater sponge
• Syconoid sponge

PHYLUM CNIDARIA

• Radically symmetrical
• Multicellular, few tissues, some organelles
• Sexual & asexual reproduction
• Aquatic environments
• Mostly carnivorous

CNIDARIA EXAMPLES

• Coral
• Sea anemones
• Jellyfish

PHYLUM PLATYHELMINTHES

• Bilaterally symmetrical
• Multicellular, few tissues, some organelles
• Mouth, no anus
• Mostly sexual reproduction
• Mostly feeds on animals

PLATYHELMINTHES EXAMPLES

• Flat worms
• Tapeworm
• Fluke
• Planarian

PHYLUM NEMATODA

• Bilaterally symmetrical & veriform
• More than 2 cell layers, tissues, & organelles
• Gut with subterminal anus
• Sexual reproduction
• Feeds on everything

NEMATODA EXAMPLES

• Tubeworm
• Round worm

PHYLUM MOLLUSCA

• Bilaterally symmetrical
• More than 2 cell layers, tissues, & organs
• Gut with mouth & anus
• May have a shell
• Circulatory system with heart

MOLLUSCA EXAMPLES

• Clams
• Muscles
• Octopus
• Oysters
• Scallops

PHYLUM ANNELIDA

• Bilaterally symmetrical & veriform
• More than 2 cell layers, tissues, & organs
• Gut with mouth and anus
• No respiratory organs
• Sexual reproduction

ANNELIDA EXAMPLES

• Giant earthworms
• Ragworms
• Leeches

PHYLUM ARTHROPODA

• Bilaterally symmetrical
• 2 cell layers, tissues, & organs
• 3-400+ pairs of jointed legs
• External skeleton
• Sexual reproduction

ANTHROPODA EXAMPLES

• Crabs
• Prawns
• Spiders
• Scorpions
• Insects

PHYLUM ECHINODERMATA

• 5-rayed symmetry
• 2 cell layers, tissues, & organs
• No head
• Sexual reproduction
• Marine environments

ECHINODERMATA EXAMPLES

• Starfish
• Sea urchins
• Sand dollars

PHYLUM CHORDATA

• Bilaterally symmetrical
• 2 cell layers, tissues, & organs
• Through gut with non-terminal anus
• Spinal cord
• Sexual reproduction

CHORDATA EXAMPLES

• Fish
• Amphibians
• Reptiles
• Birds
• Mammals