Which set of terms would most likely be used in a description of the nervous system of chordates?

  • A
    Brain,dorsal nerve cord,highly developed receptors
  • B
    Brain,fused ganglia,ventral nerve cord
  • C
    No brain,fused ganglia,tympana
  • D
    No brain,nerve net,modified neurons

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Similar Questions

Assertion $(A)$: $Ascidia$ and $Salpa$ are placed under sub-phylum $Urochordata$.
Reason $(R)$: In $Ascidia$ and $Salpa$,notochord is present only in larval tail.
In the light of the above statements,choose the most appropriate answer from the options given below:

Which among them is a characteristic of Chordata?

Which of the following is not a fundamental character of the phylum $Chordata$?

Urochordata: All the members of this subphylum are:

Label the parts $P$,$Q$,$R$,and $S$ in the given diagram of a chordate:

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