Question

3 points of difference between chordates and non chordates

Answer 1

Chordates and non chordates
1. They have notochord
1. They don't have notochord
2. They have Dorsal nerve cord
2. They don't
3. They have paired gill pouches
3. They don't

Answer 2

$\huge\textbf{Answer}$


» Cordates

Notochord is present in them.

Heart is ventral in them.

Tail is present in them (post anal)

Central nervous system is dorsal and hollow.

Respiration takes place by gills slits.

» Non - Cordates

Notochord is absent in them.

Heart is present in dorsal side.

Tail is absent in them. (post anal).

Central nervous system is ventral and solid.

Gills slits are absent in them.