PROFERIA

Characteristics

• No true organs
• Non- motile
• Flagellated cells that move water through the cell

CNIDARIA

Characteristics

• Stinging cells
• 2 body forms

PLATYHELMENTHES

Characteristics

• Flat
• Flame cells- cells responsible for excreteing waste
• one body opening

NEMATODA

Characteristics

• Most are parasitic
• Round or cylinder shape
• 2 body openings

MOLLUSKA

Characteristics

• 3 body parst
• Complex nervous system
• Beneficial for food

ANNELIDA

Characteristics

• Segmentation
• Bilateral symmetry
• Closed circulatory system
• Beneficial for bone reactachment

ARTHROPODA

Characteristics

• Jointed legs
• Exoskeleton made up of Chitin
• Compound eyes
• Abdomen

ECHINODERMATA

Characteristics

• Spiny skins
• Radial symmentry
• Possess a unique water vascular system
• Endoskelton
• Regeneration

CHORDATA

Characteristics

• Notochord, or a rod of vacuolated cells, encased by a firm sheath that lies ventral to the neural tube in vertebrate embryos and some adults.
• Endostyle - elongated groove in the pharynx floor of protochordates that may develop as the thyroid gland in chordate
• Hollow nerve cord that lies dorsal to the notochord
• Pharyngeal pouches

Fish

• Covered in scales and fines to help it move through the water
• External Fertilization
• Breathe using gills

Amphibians

• Must be moist at all times
• Breathe through their skin
• Metamorphoses helps them change
• Eggs are covered with jelly to protect them

Reptiles

• Covered in hard scales
• They breathe using lungs
• Lay soft- shelled eggs in the ground to protect them from predators
• Fertilization is internal

Birds

• Covered with feathers
• Do not have teeth but, do have beaks to eat their prey
• Front limbs are adapted as wings
• Birds breathe using lungs
• Fertilization is internal

Mammals

• Fertilization is internal
• Females feed their young with milk from their mammary glands
• Most mammals are viviparous
• This means that the offspring are keptinside the females body and feed through a placenta.