Which of the following sets of animals is cor | vedclass

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(C) Let us analyze the options:$A$. Viviparous animals are found in Mammalia,but not all mammals are viviparous (e.g.,Platypus is oviparous).$B$. Mout

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$3-$chambered heart with one incompletely divided ventricle - Reptilia

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(C) Let us analyze the options:$A$. Viviparous animals are found in Mammalia,but not all mammals are viviparous (e.g.,Platypus is oviparous).$B$. Mouth with jaws (Gnathostomata) is a characteristic of many chordates,but it is not a defining feature of the entire phylum Chordata,as Agnatha (jawless fish) are also chordates.$C$. Reptiles (except crocodiles) typically possess a $3$-chambered heart with an incompletely divided ventricle. This is a characteristic feature of the class Reptilia.$D$. Cartilaginous endoskeleton is a characteristic of the class Chondrichthyes,but the option label 'Cartilaginous' is incomplete as a classification term compared to the specific class name.

Column-$I$	Column-$II$
$(a)$ Barbus	$(i)$ Epidermal scales
$(b)$ Crocodile	$(ii)$ Absence of head
$(c)$ Amphioxus	$(iii)$ Cycloid scales
$(d)$ Lamprey	$(iv)$ Scaleless skin

Column-$I$	Column-$II$
$I.$ Platyhelminthes	$p.$ Malpighian tubules
$II.$ Aschelminthes	$q.$ Renette cells
$III.$ Arthropoda	$r.$ Flame cells
$IV.$ Annelida	$s.$ Nephridia

Which of the following sets of animals is correctly matched with its respective phylum/class?

Similar Questions

An animal that is initially male and then changes to female is called:

Match the following columns:
Column-$I$ Column-$II$
$(a)$ Barbus $(i)$ Epidermal scales
$(b)$ Crocodile $(ii)$ Absence of head
$(c)$ Amphioxus $(iii)$ Cycloid scales
$(d)$ Lamprey $(iv)$ Scaleless skin

Match the following columns:
Column-$I$ Column-$II$
$I.$ Platyhelminthes $p.$ Malpighian tubules
$II.$ Aschelminthes $q.$ Renette cells
$III.$ Arthropoda $r.$ Flame cells
$IV.$ Annelida $s.$ Nephridia

Assertion: All birds,except the ones like koel (cuckoo),build nests for retiring and taking rest during night time (day time for nocturnal).
Reason: Koel lays its eggs in the nests of tailor bird.

Provide the appropriate technical term for the following descriptions:
$(a)$ Blood-filled cavity in arthropods.
$(b)$ Free-floating form of cnidaria.
$(c)$ Stinging organ of jellyfish.
$(d)$ Lateral appendages in aquatic annelids.

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