Download Kingdom Animalia- Invertebrates

Kingdom Animalia- Invertebrates
PORIFERA
CNIDARIANS
Representative
Sponge
Jellyfish
Habitat
Marine and some freshwater
Marine and some freshwater
Body Plan
Asymetrical
Radial Symetry
Reproduction
Asexual-budding
Sexual-egg and sperm
Asexual- budding
Sexual-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 symmetry
Reproduction
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, anus
Mouth, anus
Digestive organs present but not Digestive organs present
developed
Mouth, anus
Digestive organs present
Nervous System
Primitive brain
2 longitudinal nerve cords
More advanced brain
Large ventral nerve cord
Primitive brain
2 longitudinal nerve cords
Phylum Mollusca
NAUTILUS
CHITIN
MOLLUSK
General Features:
-Marine, freshwater, land
-Bilateral symmetry
-Have a larval stage
-Open circulatory system
-Kidney like excretion systems
https://www.youtube.com/watch?v=L8qwRCs_7x0
-Primitive brain
-Have a distinct foot or jet propulsion for movement
Phylum Echinodermata
Phylum Arthropoda
Characteristics
• 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