Why are Orca Whales Chordates?
Chordates are animals that have a supportive, skeletal
rod called a notochord; a dorsal, tubular nerve chord; pharyngeal
pouches; an endostyle (thyroid gland); and a post-anal tail. Orca
Whales exhibit all of these characteristics. Orca Whales also are
bilaterally symmetric and cephalized (having a sensory organs all
centralized in an anterior head), which are common characteristics or