Question

Differentiate between non-chordate and chordate

Answer 1

Chordates:
A notochord is present at some stage in the life of a chordate.
Central nervous system is hollow.
RBCs contain haemoglobin.
A til is present in some stage in the life of a chordate..

Non-chordates:
Notochord is not present in any stage in the life of a non-chordate.
Central nervous system is solid.
Tail is absent.
RBCs are absent.Hemoglobin is present only in rare cases in the blood plasma.

Answer 2

Differentiate between non-chordate and chordate

Answer =>

CHORDATES

1). Notochord is present

2). Central nervous system is dorsal , hollow and single

3). Pharynx is perforated by Gill slits

4). Heart is ventral

5). Post anal part that that is a tail is present

NON CHORDATES

1). Notochord is absent

2). Central nervous system is ventral , solid and double

3). Gill slits are absent

4). Heart is dorsal if it is present

5). Post anal tail is absent