Question
Name the functional groups present in the following compounds:
- $CH_3COOH$
- $CH_3CH_2CHO$
- $C_2H_5OH$
- $CH_3COCH_2CH_3$
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| Phylum | Characteristics |
| (1) Porifera | (a) Tunic |
| (2) Coelenterata | (b) Collar cells |
| (c) Tentacles bearing cnidoblasts | |
| (d) Mantle |