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ANIMAL KINGDOM (Animalia) - Coggle Diagram
ANIMAL KINGDOM (Animalia)
Characteristics of Animals
Multicellular
Eukaryotic
Heterotrophic
Specialized tissues
Body Plan Evolution
Symmetry
Asymmetry → Porifera
Radial Symmetry → Cnidaria
Bilateral Symmetry → Most other phyla
Germ Layers
Diploblastic (2 layers) → Cnidaria
Triploblastic (3 layers) → Remaining phyla
Body Cavity
Acoelomate → Platyhelminthes
Pseudocoelomate → Nematoda
Coelomate → Annelida, Mollusca,
Arthropoda, Echinodermata, Chordata
Invertebrates (No Backbone)
Porifera (Sponges)
Simplest animals
Asymmetrical
Filter feeders
Cnidaria (Jellyfish, Corals)
Radial symmetry
Stinging cells (cnidocytes)
Diploblastic
Platyhelminthes (Flatworms)
Bilateral symmetry
Triploblastic
Acoelomate
Nematoda (Roundworms)
Pseudocoelomate
Complete digestive tract
Many parasites
Annelida (Segmented Worms)
Segmentation
True coelom
Closed circulatory system
Mollusca
Soft body
Mantle
Muscular foot
Includes snails, clams, octopuses
Arthropoda
Largest phylum
Exoskeleton
Jointed appendages
Includes insects, spiders, crustaceans
Echinodermata
Marine organisms
Water vascular system
Adults have radial symmetry
Includes sea stars and sea urchins
Chordata (Backbone Development)
Notochord
Dorsal nerve cord
Pharyngeal slits
Vertebrates
Fish
Amphibians
Reptiles
Birds
Mammals