Kingdom-Animals

Animal Characteristics

• Heterotrophs

• Multicellular

• No cell walls

• Tissues (most)

• Sexual Reproduction (most)

Remember classification

• Kingdom- Animals

• Phylum – OUR FOCUS

• Class

• Order

• Family

• Genus

• species

Phylum Porifera-sponges

*no symmetry, no tissues/organs*evol- multicellular

CnidariaJellyfish-medusa

Coral- Many polyps living together

Radial symmetryEvol- Tissues

www.mennoniteusa.org/ news/news/02_25_04.htm

Platyhelmithes(Flatworm)

Evol- Bilateral

Nematoda

Guinea Worm (round worm)Nematode Worms (round worms)

Evol- Pseudocoelom (mouth and anus)

Mollusca

• Evol- True ceolom (organs)

– Visceral Mass: central part with organs

– Mantle: Outer body layer

– Foot: Movement

Earthworms and Leeches! (Phylum- Annelids)

Evol- Segmentation

Arthropoda

• Evol- Jointed appendages

• The Classes– Arachnids, Insects,

Crustaceans

Echinodermata

• Evol- Deuterstome Development – (In other words they develop the same way

vertebrates do)– Also have an endoskeleton

Vertebrates(Agnatha)

• Jawless, cartilaginous bodies, ectotherm• Lampreys

VertebratesChondrichthyes

• Sharks

• Cartilaginous skeleton, gills, jaws, 2 chambered heart, internal reproduction, ectotherm

Vertebrates(Osteichtyes)

• Bones, 2 chambered heart, gills, external reproduction, ectotherm

Vertebrates(Amphibians)

• Gills + Lungs, 3 Chambered heart, external reproduction, ectotherm

Vertebrates(Reptiles)

• Lungs, Internal reproduction shelled egg, 3 chambered heart, ectotherm

Exception to ruleCrocs have a 4 chambered heart(more closely related birds)

Vertebrates(Aves)

• Lungs, Internal reproduction shelled egg, endotherm, 4 chambered heart

Vertebrates(Mammals)

• Internal development, lungs, 4 chambered heart, endotherm