Animal Classification
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Transcript of Animal Classification
THE ANIMAL KINGDOM
BASIC CHARACTERISTICS OF ANIMALS: 1. 2. 3.
NINE ANIMAL PHYLA INVERTEBRATES:
VERTEBRATES (CORDATES): (1 phylum)
MULTICELLULAR ORGANISMS
CAPABILITY OF LOCOMOTION
MUST INJEST FOOD
(8 PHYLA)
ALL LACK INTERNAL SKELETON, SOME HAVE EXOSKELTON OR SHELL
INTERNAL SKELTON MADE OF BONE/ CARTILAGE
1. PORIFERA:SIMPLEST ANIMALS
NO TISSUE LAYERS
EXAMPLES: SPONGES
2. CNIDARIA
HOLLOW BODY
HAVE STINGING CELLS
TWO BODY FORMS MEDUSA & POLYP
EXAMPLES: CORAL, JELLYFISH, SEA ANEMONE
3. PLATYHELMINTHES:
EXAMPLES: PLANARIA, FLUKE, TAPEWORM
UNSEGMENTED WORMS
FLAT WORMS
4. NEMATODAUNSEGMENTED WORMS
ROUND WORMS
EXAMPLES: HOOKWORMS, HEARTWORMS
5. ANNELIDA
MOST ADVANCED WORMS
SEGMENTED WORMS
EXAMPLES: LEECH, EARTHWORMS
6. ARTHROPODA
SEGMENTED ANIMALSEXOSKELETONS MADE OF CHITIN
CLASS CRUSTACEAN - MARINE ORGANISMS
EXAMPLES: SHRIMP, LOBSTER, CRAB, BARNACLE
7. MOLLUSCA
SOME HAVE SHELL
UNSEGMENTED, SOFT BODIES
EXAMPLES: SNAIL, SCALLOP
8. ECHINODERMATA
HAVE A DERMAL SKELETON WITH SPINES & PLATES
ONLY LIVE IN MARINE ENVIRONMENT
EXAMPLES: SEA URCHIN,
SEASTAR, BRITTLE STAR
9. CHORDATA
HAVE INTERNAL SKELETON
BACKBONE TO PROTECT SPINAL CORD
EXAMPLES: FISH, REPTILES, BIRDS, AMPHIBIANS, MAMMALS