ECOSYSTEM
  • 1. What is an ecosystem simulation?
A) D. A weather prediction system
B) C. A type of animal habitat
C) B. A model that shows how organisms interact
D) A. A real forest environment
  • 2. Which is an example of a biotic factor?
A) A. Water
B) D. Plants
C) C. Sunlight
D) B. Soil
  • 3. What does a food web show?
A) A. Weather patterns
B) B. Energy transfer between organisms
C) D. Water cycle only
D) C. Soil layers
  • 4. What is the main source of energy in most ecosystems?
A) D. Soil
B) A. Moon
C) C. Sun
D) B. Wind
  • 5. Which of the following is a decomposer?
A) D. Eagle
B) A. Lion
C) B. Grass
D) C. Mushroom
  • 6. What is a producer?
A) D. A carnivore
B) C. A decomposer
C) B. An organism that makes its own food
D) A. An organism that eats others
  • 7. In a simulation, what happens when a predator increases?
A) B. Prey decreases
B) D. Nothing changes
C) A. Prey increases
D) C. Plants disappear immediately
  • 8. Which best describes an ecosystem interaction?
A) A. Animals sleeping
B) B. Organisms affecting each other
C) C. Rocks forming mountains
D) D. Clouds moving
  • 9. What might happen if plants are removed from an ecosystem?
A) B. Herbivores lose food source
B) D. Water disappears
C) A. Oxygen increases
D) C. Predators multiply instantly
  • 10. Why do scientists use ecosystem simulations?
A) D. To eliminate animals
B) C. To replace real ecosystems
C) B. To decorate classrooms
D) A. To predict and study changes
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