Find the odd one out.

  • A
    Sea lily
  • B
    Sea fan
  • C
    Sea cucumber
  • D
    Sea urchin

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Similar Questions

Which invertebrate animals possess a calcium carbonate skeleton?

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

Which one feature is common to leech,cockroach and scorpion?

Select the correct match for $X$ and $Y$:
Column $X$Column $Y$
$(1)$ Skin without scales$(P)$ Catla
$(2)$ Placoid scales$(Q)$ Hagfish
$(3)$ Cycloid scales$(R)$ Chameleon
$(4)$ Epidermal scales$(S)$ Ray-fish

Which of the following pairs is correctly matched?

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