Non - Chordates

Invertebrates (Non-Chordates) -Phylum Coelentrates|Invertebrates (Non-Chordates) -Phylum Ctenophora|OMR|Invertebrates (Non-Chordates) -Phylum Platyhelminthes|Invertebrates (Non-Chordates) -Phylum Aschelminthes|OMR|Summary

Phylum Hemichordata || Characteristic Features OF all "Non-Chordate Phylums'

[A] : Chordates have an oxygen carrying pigment called haemoglobin . It is always present in red blood corpuscles . [R] : Non-chordates have either no haemoglobin or if it is present , it is present in plasma . Non-chordates require very little oxygen as compared to chordates for their body functions.

This section contains Assertion (A) and Reason (R ) type questions. Each questions has (1), (2), (3), and (4) out of which only one is correct. Assertion (A) Chordates have a pair of kidneys. Reason (R ) Non – chordates have also kidneys.

Chordates - Classification Of Chordates|Chordates - Sub Phylum - Urochordates|Chordates - Sub Phylum - Cephalochordates|Urochordates And Cephalochordates|OMR|Sub Phylum - Vertebrates|Vertebrates - Classification Of Vertebrates|Section-Agnatha|OMR|Summary

Which animals is non- chordate ?