Question

how are non chordates different from chordates. write the major phylua of non chordates ang give examples?​

Answer 1

Chordata

1. Notochord is present in embriyo.

2. Central dorsal, hollow nerve is present.

3. Phayregial gill slits present.

4. Heart non vertebral.

5. Hepatic portal system present.

6. RBC posses hemoglobin.

7. Blood flows in dorsal vessel from before backwards.

Non-Chordta

1. Notochord is absent

2. Central nervous system

3. Pharyngeal gill slit is absent.

4. Heart dorsal.

5. Hepatic portal system absent.

6. If present dissolve in plasma.

7. Blood flows in dorsal vessel from behind forward.

Answer 2

I think this may help u