Vertebrate chordates have a backbone.
Strength correlates with our spinal cord and our nerves, our backbone.
Vertebrate chordates have a spinal cord and nerves.
What do vertebrate chordates have?
a) aerobic capacity
b) primitive structures
c) a spinal cord and nerves
d) invertebrate structures
e) Veins and arteries.
f) cell walls
g) characteristics
h) principals of aerodynamics