Kingdom Animalia- Invertebrates

PORIFERA CNIDARIANS

Representative Sponge Jellyfish

Habitat Marine and some freshwater Marine and some freshwater

Body Plan Asymetrical Radial Symetry

Reproduction Asexual-buddingSexual-egg and sperm

Asexual- buddingSexual-egg and sperm

Transport and Digestion None-current does all the work Has body cavity functions for transport and digestion

Nervous System No nerves Has nerve tissue, but no central collection resembling a brain

Platyhelminthes Nemotoda Annelida

Representative Tapeworm (flatworm) Hookworm (roundworm) Earthworm (segmented)Habitat Aquatic and terrestrial Aquatic and terrestrial Aquatic and terrestrial

Body Plan Bilateral symmetry Bilateral symmetry Bilateral symmetryReproduction Asexual

Sexual-hermaphroditic cross fertilization

Sexual reproduction Sexual-hermaphroditic cross fertilization

Circulation Non-except diffusion Non-except diffusion Aortic arches, 2 large blood vessels run along the dorsal and ventral surfaces

Digestion Mouth, anusDigestive organs present but not developed

Mouth, anusDigestive organs present

Mouth, anusDigestive organs present

Nervous System Primitive brain2 longitudinal nerve cords

Primitive brain2 longitudinal nerve cords

More advanced brainLarge ventral nerve cord

Phylum Mollusca

General Features:-Marine, freshwater, land-Bilateral symmetry-Have a larval stage-Open circulatory system -Kidney like excretion systems-Primitive brain-Have a distinct foot or jet propulsion for movement

NAUTILUS CHITIN MOLLUSK

https://www.youtube.com/watch?v=L8qwRCs_7x0

Phylum Echinodermata

Phylum ArthropodaCharacteristics• Habitat: ubiquitous (everywhere!)• Bilateral symmetry, EXOSKELETON,

jointed appendages• True coelom• Various stages of metamorphism• Sexual reproduction• Open circulatory system, heart in

hemocoel• One way digestive tube• Definitive brain