Post on 15-Nov-2014
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CHARACTERISTICS OF AN ANIMAL
EUKARYOTE- Organism with membrane -bound nucleus
MULTICELLULAR- Organism composed of many cells
CHARACTERISTICS OF AN ANIMAL
HETEROTROPH - Organism that can’t make their own food
- Absence of chloroplast - No cell wall
MAJOR GROUPS OF ANIMALS
Vertebrates - Animals with backbones Invertebrates - Animals w/out backbones
CLASSIFICATION• PORIFERA (PORE-BEARING ANIMALS)• CNIDARIA (STINGING ANIMALS)• PLATYHELMINTHES (FLATWORMS)• NEMATODA (ROUND WORMS)• ANNELIDA (SEGMENTED WORMS)
CLASSIFICATION• MOLLUSKA
(SOFT-BODIED ANIMALS)• ECHINODERMATA (SPINY SKIN ANIMALS)• ARTHROPODA (JOINTED LEG ANIMALS)• CHORDATA (with NOTOCHORD)
CHARACTERISTICS OF PORIFERS
Have pores Have skeleton of silicon or calcium containing spicules
Have body cavity Have osculum, large opening at the top of the sponge body
Glass sponge
Cloud sponges
Basket sponges
Vase sponge
Yellow tube sponge
Tube sponge
Basket sponge
Tube sponge
PHYLUM PORIFERA
CHARACTERISTICS OF CNIDARIANS
Are hollow-bodied animals
Have nematocysts, specialized stinging cells
Have tentacles
hydra
Jelly fish
corals
corals
Jelly fish
Portuguese man of war
Lizard island coral
PHYLUM CNIDARIA
CHARACTERISTICS OF FLATWORMS
Are long ribbon-shaped worms
Are free living while others are parasitic
Live in freshwater or sea water
flukes
planaria
tapeworm
PHYLUM PLATYHELMINTHES
CHARACTERISTICS OF NEMATODES
Are long, slender, smooth-bodied worms
Have mouth and anus Live in soil and some are parasitic
PHYLUM NEMATODA
hookworm
pinworms
ascaris
CHARACTERISTICS OF ANNELIDS
Have segmented bodies
Most are burrowers in the sand
Some are hermaphrodite
PHYLUM ANNELIDA
earthworm
leech
Marine annelid
CHARACTERISTICS OF MOLLUSKS
Are soft-bodied animals Have protective shells Have a mantle which secretes the shells
PHYLUM MOLLUSKA
snails
squid
oysters octopus
slugs
cuttlefish
CHARACTERISTICS OF ECHINODERMS
Have hard bodies covered with spines
Have no head nor tails and have no left nor right
Have mouth and anus at its top and bottom ends
PHYLUM ECHINODERMATA
Star fish
Sea cucumber
Sea urchin
Sea urchinSea star
Sea urchin
CHARACTERISTICS OF ARTHROPODS
Have jointed legs Have exoskeleton Have segmented bodies with 2 or 3 regions
Most have antennae
PHYLUM ARTHROPODA
Centipede- class Chilopoda
Crabs- class Crustacea
Millipede- class Diplopoda
Scorpion- class Arachnida
Spider
grasshopper
Class Insecta
CHARACTERISTICS OF CHORDATES
Have a notochord at certain stage of their life cycle
Have gill slits and a tail at a stage in their development
PHYLUM CHORDATA
crocodile
Class Agnatha Class Chondrichthyes
raysharks
Class Reptilia
Sea horse milkfish
Class Osteichthyes
snakes
Lamprey
PHYLUM CHORDATA
Tomato frog toad
kangaroo
Class Amphibia
dolphin lionPregnant woman
Class Aves
Class Mammalia
parrot