International Express

[Dolly1308]

Need help please with 3 questions -:
1) Walks heavily or tiredly (8 letters - T-A - - S - s)

2)Any of several rails that occur in the Old World(5 letters _ r _ _ e )
3)Unicellular or multicellular organisms occurring in fresh or salt water (5 letters A - -A -)
TIA Dolly .

[glasman]

1 Traipses
3 Algae

[mazie]

2. Crake

[Dolly1308]

Thank you both glasman and mazie<?b> very much appreciated .
Dolly