It might have been possible to answer the question if you could be bothered to give some information about the structures. But without that, there can be no answer.
A permutation is the correct answer
at points that isn't answerable
Cell,tissue,organ
Year, Decade, Century, Millennium
Individual --> Population --> Community --> Ecosystem --> Biosphere
There are too many to name. I would be here all day.
The correct arrangement is EQUAL.
K+
Smallest is the correct spelling.
Tricuspid valve, right , left , mitral valve
Pluto Mars Jupiter is the correct order
A permutation is the correct answer
smallest to largest is 0.8 0.808 0.81 0.875
"Duly" and "Dully" are two different words Meaning of "Dully" - without liveliness Meaning of "duly" -In accordance with what is required or appropriate; following proper procedure or arrangement.
no
They are an invalid arrangement of Roman numerals.
homologous structures (correct answer, your response)