The following chart represents the evolutiona | vedclass

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(A) Based on the standard evolutionary chart of vertebrates provided in the $NCERT$ textbook: $1$. The organism labeled $P$ represents the Tuatara,whi

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Tuatara,Therapsids

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(A) Based on the standard evolutionary chart of vertebrates provided in the $NCERT$ textbook: $1$. The organism labeled $P$ represents the Tuatara,which is a living fossil belonging to the lineage of reptiles. $2$. The organism labeled $Q$ represents the Therapsids,which are the ancestors of mammals that evolved from synapsids during the Triassic period. Therefore,$P$ is Tuatara and $Q$ is Therapsids.

Column-$I$	Column-$II$
$A.$ $500$ million years ago	$1.$ Sea weeds and few plants
$B.$ $350$ million years ago	$2.$ Jawless fishes
$C.$ $320$ million years ago	$3.$ Invertebrates

The following chart represents the evolutionary history of vertebrates through geological periods. What are the organisms $P$ and $Q$?

Similar Questions

Which era is called the age of angiosperms?

The $Jurassic$ period of the $Mesozoic$ era is characterized by which of the following?

Select the option that shows the correct sequence of plant evolution.
$(I)$ Chlorophyte ancestors
$(II)$ Rhynia-type plants
$(III)$ Psilophyton
$(IV)$ Tracheophyte ancestors

The earliest fossil form in the phylogeny of horse is:

Match the following columns.
Column-$I$ Column-$II$
$A.$ $500$ million years ago $1.$ Sea weeds and few plants
$B.$ $350$ million years ago $2.$ Jawless fishes
$C.$ $320$ million years ago $3.$ Invertebrates

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