As the horse evolved,there was a progressive | vedclass

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(B) The evolution of the horse is a classic example of gradual morphological change over geological time.The correct chronological sequence is: $Hyrac

Vedclass · Accepted Answer

Hyracotherium,Orohippus,Mesohippus,Merychippus,Pliohippus,Equus

Vedclass · Answer

(B) The evolution of the horse is a classic example of gradual morphological change over geological time.The correct chronological sequence is: $Hyracotherium$ (Eohippus) $\rightarrow$ $Orohippus$ $\rightarrow$ $Mesohippus$ $\rightarrow$ $Merychippus$ $\rightarrow$ $Pliohippus$ $\rightarrow$ $Equus$.Key evolutionary trends include:$1$. General increase in body size.$2$. Progressive reduction in the number of toes (from polydactyl to monodactyl).$3$. Lengthening of the limbs and the remaining central toe.$4$. Enlargement of the brain.$5$. Increase in the complexity of molar teeth for grazing.

List-$I$	List-$II$
$A$. About $500 \text{ mya}$	$I$. Jawless fish probably evolved
$B$. About $350 \text{ mya}$	$C$. Seaweeds and few plants probably existed
$C$. About $320 \text{ mya}$	$III$. Seaweeds and few plants probably existed
$D$. About $65 \text{ mya}$	$IV$. The dinosaurs suddenly disappeared

As the horse evolved,there was a progressive reduction in the number of toes. Which of the following is the correct sequence in the evolution of the horse?

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