Vocabulary:
• Slug
A small, usually black or brown creature with a long, soft body and no arms or legs, like a snail but with no shell.
• Marsh
Ground near a lake, a river, or the sea that often floods and is always wet.
• Sustain
To cause or allow something to continue for a period of time.
• Clam
A type of sea creature with a shell in two parts that can close together tightly, and a soft body that can be eaten.
• Shelter
Protection from bad weather, danger, or attack.
• Offspring
The young of an animal.
• Dazzling
Extremely attractive or exciting.
• Reef
A line of rocks or sand just above or just below the surface of the sea.
Source: TED-Ed