食物連鎖

1. Origins, structure, and basic meaning

• Structure: 食物連鎖, read しょくもつれんさ, is a food chain linking organisms through who eats whom.
• Basic usage: A class may diagram the chain in a forest or trace how decline in one species affects the whole network.

2. Common pitfalls and similar expressions

• The linked feeding relationships among organisms
  • This is the linked system of feeding relationships in a forest, where decline in one species may affect the whole. It is broader than one individual food item.