What to create	Quiz
Which subject	Natural science
What age group	Year or Grade 9
What topic	Food webs interdependence of living things
Question types	Mixed
Number of questions	5
Number of answers	4
Correct answers	Exactly 1
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Year 9 Natural Science Quiz: Food Webs and Interdependence of Living Things

Instructions:

Answer each question to the best of your ability. For questions that provide multiple-choice answers, select the letter corresponding to your chosen answer.

Questions:

1. What is a food web?

   • A food web is a network of interconnected food chains in an ecosystem that demonstrates how energy and nutrients flow between organisms.

2. Which of the following best describes the role of producers in a food web?

   • A. They obtain energy by consuming other organisms.
   • B. They generate energy from sunlight through photosynthesis.
   • C. They decompose dead organic matter.
   • D. They compete for resources with primary consumers.

3. In a food chain, which group of organisms is most directly affected by changes in the population of primary consumers?

   • A. Producers
   • B. Secondary consumers
   • C. Decomposers
   • D. Tertiary consumers

4. What impact does the removal of a predator from a food web typically have on the ecosystem?

   • A. It generally leads to a decrease in primary consumer populations.
   • B. It can cause an increase in primary consumer populations.
   • C. It has no significant effect on the population dynamics.
   • D. It results in a greater diversity of species.

5. Explain the concept of interdependence in an ecosystem.
   Interdependence refers to the reliance of living organisms on each other for food, shelter, and survival. Changes in one population can significantly affect other populations within the ecosystem, highlighting the connections and relationships among various species.

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Good luck with your quiz!