Question

Hello ●●●●.

What are protochordata and chordata???.. Diversity chapter ...

Plz answer it ☺☺●●^_^.

Answer 1

Answer...

The deuterostomes are a monophyletic group of multicellular animals that include the Chordata, a phylum that exhibits a unique body plan within the metazoans. ...Protochordata describes two invertebrate chordate subphyla, the Tunicata (Urochordata) and the Cephalochordata.

I hope you understand and mark brainliest..

Answer 2

In protochordates...

- Notochord persistency is throughout the life

- Artrium is present

- Heart is chamber less and no blood capsules.

In chordates...

- Notochord is replaced by vertebral column.

- Artrium is absent.

- Chambered heart and RBC's are present in blood ...
Hope u find it useful...