Animals

Kingdom: Animalia

Symmetry

Asymetry Radial Symmetry

Bilateral Symmetry

Gut

• Incomplete – sac body plan

• Complete – tube-within-a-tube body plan

Primary Tissues

• Endoderm – inner surface tissue lining the gut.

• Mesoderm – internal tissue sandwiched between exterior & interior.

• Ectoderm – outer surface tissue.

Body Cavities

• Acoelomate, Pseudocoelomate, Coelomate

Protostomes vs Deuterostomes

Animal Phyla

Protostomes:• Porifera• Cnidaria• Platyhelminthes• Nematoda• Mollusca• Annelida• Arthropoda

Deuterostomes:

• Echinodermata

• Chordata

Porifera

• Sponges

• Jellyfish,

Hydras

Cnidaria

Platyhelminthes

• Flatworms

Nematoda

• Smooth Roundworms

Mollusca

• Mollusks – snails, slugs, clams, octopi

Annelida

• Segmented Roundworms

Arthropoda

• Insects, millipedes, centipedes, spiders, ticks, crustaceans, crabs, lobsters, shrimp, scorpions.

Echinodermata

• Starfish, Sea Urchins

Chordata• Eels, fish, amphibians, reptiles, birds,

mammals…humans