Which of the following is a living fossil?
- ACoelacanth
- BLimulus
- CSphenodon
- DAll of these
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Similar Questions
Match the animals in Column-$I$ with their common names in Column-$II$.
Column-$I$ Column-$II$ $(a)$. Limulus $(i)$. Tusk shell $(b)$. Ophiura $(ii)$. Tapeworm $(c)$. Taenia $(iii)$. Brain coral $(d)$. Meandrina $(iv)$. King crab $(e)$. Dentalium $(v)$. Brittle star
| Column-$I$ | Column-$II$ |
| $(a)$. Limulus | $(i)$. Tusk shell |
| $(b)$. Ophiura | $(ii)$. Tapeworm |
| $(c)$. Taenia | $(iii)$. Brain coral |
| $(d)$. Meandrina | $(iv)$. King crab |
| $(e)$. Dentalium | $(v)$. Brittle star |
Medium
View SolutionWhich of the following is $NOT$ true for $Phylum$ $Echinodermata$?
Medium
View SolutionMatch the following columns:
Column-$I$ Column-$II$ $(a)$ Amphibia $(1)$ Air bladder $(b)$ Mammalia $(2)$ Cartilaginous notochord $(c)$ Chondrichthyes $(3)$ Mammary gland $(d)$ Osteichthyes $(4)$ Pneumatic bones $(e)$ Cyclostomata $(5)$ Dual habitat $(f)$ Aves $(6)$ Jawless,circular,sucking mouth
| Column-$I$ | Column-$II$ |
| $(a)$ Amphibia | $(1)$ Air bladder |
| $(b)$ Mammalia | $(2)$ Cartilaginous notochord |
| $(c)$ Chondrichthyes | $(3)$ Mammary gland |
| $(d)$ Osteichthyes | $(4)$ Pneumatic bones |
| $(e)$ Cyclostomata | $(5)$ Dual habitat |
| $(f)$ Aves | $(6)$ Jawless,circular,sucking mouth |
Medium
View SolutionIn which of the following is the genus name,two characters,and its phylum mismatched,while the other three are matched correctly?
Genus Name Two Characters Phylum $A$. Pila $(i)$ Segmented body,$(ii)$ Radula in mouth Mollusca $B$. Asterias $(i)$ Spiny skin,$(ii)$ Water vascular system Echinodermata $C$. Sycon $(i)$ Pore-bearing,$(ii)$ Canal system Porifera $D$. Periplaneta $(i)$ Jointed appendages,$(ii)$ Chitinous exoskeleton Arthropoda
| Genus Name | Two Characters | Phylum |
|---|---|---|
| $A$. Pila | $(i)$ Segmented body,$(ii)$ Radula in mouth | Mollusca |
| $B$. Asterias | $(i)$ Spiny skin,$(ii)$ Water vascular system | Echinodermata |
| $C$. Sycon | $(i)$ Pore-bearing,$(ii)$ Canal system | Porifera |
| $D$. Periplaneta | $(i)$ Jointed appendages,$(ii)$ Chitinous exoskeleton | Arthropoda |
Medium
View SolutionWhich of the following phyla is correctly matched with its two general characteristics?
Medium
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