The following are the statements about non-ch | vedclass

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(B) The characteristics of non-chordates are as follows:$1$. Notochord is absent (Statement $B$).$2$. Central nervous system is ventral,solid,and doub

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$B, D, E$ only

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(B) The characteristics of non-chordates are as follows:$1$. Notochord is absent (Statement $B$).$2$. Central nervous system is ventral,solid,and double (Statement $C$ is incorrect for non-chordates as it is dorsal in chordates).$3$. Heart is dorsal if present (Statement $D$).$4$. Post-anal tail is absent (Statement $E$).$5$. Pharynx is not perforated by gill slits (Statement $A$ is a characteristic of chordates).Therefore,statements $B, D,$ and $E$ are the correct features of non-chordates.Thus,the correct option is $B$ ($B, D, E$ only).

The following are the statements about non-chordates:
$A$. Pharynx is perforated by gill slits.
$B$. Notochord is absent.
$C$. Central nervous system is dorsal.
$D$. Heart is dorsal if present.
$E$. Post anal tail is absent.
Choose the most appropriate answer from the options given below:

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The following are the statements about non-chordates:$A$. Pharynx is perforated by gill slits.$B$. Notochord is absent.$C$. Central nervous system is dorsal.$D$. Heart is dorsal if present.$E$. Post anal tail is absent.Choose the most appropriate answer from the options given below: