| Answer | Crossword Clue |
|---|---|
| AMEBA | Very simple animal |
| AMOEBA | Simple animal |
| AMEBA | Simple animal. |
| AMEBA | Simple form of animal life. |
| holdfast | A stalked organ by which an alga or other simple aquatic plant or animal is attached to a substrate |
| holdfasts | A stalked organ by which an alga or other simple aquatic plant or animal is attached to a substrate |
