Venus' flower basket is

Venous flower basket is the dried skeleton of

Which one of these is referred to as Venus flower basket ?

Which one of these is referred to as Venus flower basket ?

Which of the following lives in commensal relationship with shrimps and is called as Venus flower basket ?

Which of the following lives in commensal relationship with shrimps and is called as Venus flower basket ?

Write the scientific name of venus flower basket.

Which one of these is referred to as 'venus flower basket' ?

Match and choose the correct pair {:((a),"Cephalopoda "-,"Closed circulatory "-, "Pinctada"),((b),"Echinoidea "-, "Aristotle's lantern "-,"Sea Urchin"),((c),"Tentaculat "-,"Cnodolasts "-,"Pleurobrachia"),((d),"Hexactinellida "-,"Siliceous spicules "-,"Venus flower basket"-):}

Match and choose the correct pair {:((a),"Cephalopoda "-,"Closed circulatory "-, "Pinctada"),((b),"Echinoidea "-, "Aristotle's lantern "-,"Sea Urchin"),((c),"Tentaculat "-,"Cnodolasts "-,"Pleurobrachia"),((d),"Hexactinellida "-,"Siliceous spicules "-,"Venus flower basket"-):}

Match the following {:(,"Column I",,"Column II"),("A","Euplectella",,"1. Sea pen"),("B","Physalia",,"2 Pinworm"),("C","Pennatula",,"3 Venus flower basket"),("D","Enterobius",,"4 Midwife toad"),("E","Alytes",,"5 Portuguese man of war"):}