Cheetaven

Untitled Slide

Phylum - Chordate

• pharyngeal slits
• dorsal nerve cord
• notocord
• post-anal tail

Level of organization - organism

• entity
• composed of mutually interdependent parts that maintain various vital life processes

Symmetry - bilateral

• can be divided into two identical halves

Deutrostome

Body cavity - coelmate

• blastopore becomes aus

Ectoderm

• CNS
• PNS
• sensory epithelia of eye, ear, and nose
• epidermis and its appendages
• mammary glands
• enamel of teeth

Mesoderm

• connective tissues, cartilage, and bone
• striated and smooth muscles
• heart walls and blood + lymph vessels
• kidneys
• gonads

Entoderm

• epithelial lining of the gastrointestinal and respiratory tracts, urinary bladder + urethra, and tympanic cavity
• parenchyma of the tonsils
• liver
• pancreas