Match the following columns.
$a$. Cellular level of organisation $1$. Cnidarians $b$. Organ level of organisation $2$. Platyhelminthes $c$. Organ system level of organisation $3$. Chordates $d$. Tissue level of organisation $4$. Porifera
Select the correct sequence for $a, b, c, d$.
| $a$. Cellular level of organisation | $1$. Cnidarians |
| $b$. Organ level of organisation | $2$. Platyhelminthes |
| $c$. Organ system level of organisation | $3$. Chordates |
| $d$. Tissue level of organisation | $4$. Porifera |
Select the correct sequence for $a, b, c, d$.
- A$4, 2, 3, 1$
- B$3, 2, 4, 1$
- C$2, 1, 4, 3$
- D$4, 2, 1, 3$
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