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(A) Metamerism is a phenomenon in which the body is externally and internally divided into segments with a serial repetition of at least some organs.T

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Annelida and Arthropoda

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(A) Metamerism is a phenomenon in which the body is externally and internally divided into segments with a serial repetition of at least some organs.This type of segmentation is a hallmark characteristic of the phylum $Annelida$ (e.g.,earthworms).In phylum $Arthropoda$,metamerism is also present,although it is often modified by the fusion of segments (tagmatization).Therefore,$Annelida$ and $Arthropoda$ are the phyla that exhibit metamerism.

Animals	Locomotory Organ
$(1)$ Octopus	$(i)$ Limbs
$(2)$ Crocodile	$(ii)$ Comb plates
$(3)$ Catla	$(iii)$ Tentacles
$(4)$ Ctenoplana	$(iv)$ Fins

$(a)$ Operculum	$(i)$ Ctenophora
$(b)$ Parapodia	$(ii)$ Mollusca
$(c)$ Scales	$(iii)$ Porifera
$(d)$ Comb plates	$(iv)$ Reptilia
$(e)$ Radula	$(v)$ Annelida
$(f)$ Hairs	$(vi)$ Cyclostomata and Chondrichthyes
$(g)$ Choanocytes	$(vii)$ Mammalia
$(h)$ Gill slits	$(viii)$ Osteichthyes

Metamerism is a characteristic feature of which of the following?

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Which pair of animal groups contains the respiratory pigment $Hemocyanin$?

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Animals Locomotory Organ

$(1)$ Octopus $(i)$ Limbs

$(2)$ Crocodile $(ii)$ Comb plates

$(3)$ Catla $(iii)$ Tentacles

$(4)$ Ctenoplana $(iv)$ Fins

Metameric segmentation is the characteristic of

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