Topic explanation

Standard explanation

Food chains show one energy pathway; food webs connect many pathways. Arrows point from food to consumer, showing transfer of energy and matter.

Key points

• food chains and food webs
• cause → mechanism → outcome
• food, chains, and
• definition · mechanism · significance
• Food chains and food webs: Food chains show one energy pathway; food webs connect many pathways. Arrows point from food to cons
• Mechanism: Start with the trigger or starting condition, follow the biological structures and signals in order,
• Biological significance: Understanding food chains and food webs connects structure, mechanism and biological outcome. It hel
• WHAT — FOOD CHAINS AND FOOD WEBS: Food chains show one energy pathway; food webs connect many pathways. Arrows point from food to cons

Labelled diagram