food chains

• What is a food chain?

  A series of organisms where each eats the previous one
• What does a food chain show?

  How nutrients move from producers to consumers
• Give an example of a food chain.

  Grass → Grasshopper → Bird → Snake
• What are the different trophic levels in a food chain?

  • Producer: Plants (e.g., grass)
  • Primary Consumer: Herbivores (e.g., grasshopper)
  • Secondary Consumer: Carnivores (e.g., bird)
  • Tertiary Consumer: Top predators (e.g., snake)
• What is the trophic level of a grasshopper?

  Primary Consumer
• What role do producers play in a food chain?

  They provide energy for consumers
• What is a common tertiary consumer in a desert ecosystem?

  Snake
• What are the functions of food chains in ecosystems?

  1. Energy flow from producers to consumers
  2. Nutrient cycling within the environment
  3. Population control among organisms
  4. Biodiversity support