Biotic Factors Quiz with Answers for 4th Grade

📚 Quick Study Guide

• 🌱 Living Things: Biotic factors are all the living things in an ecosystem, like plants, animals, and even tiny bacteria!
• ☀️ Interactions: These living things interact with each other in many ways, such as through food chains and food webs.
• 🦊 Examples: Think about a forest: the trees, squirrels, foxes, and insects are all biotic factors.
• 🍄 Roles: Each biotic factor plays a role in the ecosystem, helping to keep it balanced and healthy.
• 🦠 Decomposers: Even decomposers like fungi and bacteria are biotic factors because they break down dead plants and animals.

🧪 Practice Quiz

1. Which of the following is a biotic factor?
   1. Rock
   2. Water
   3. Tree
   4. Sunlight
2. What do we call all the living things in an ecosystem?
   1. Abiotic factors
   2. Biotic factors
   3. Weather
   4. Climate
3. Which of these is NOT a biotic factor?
   1. Fish
   2. Algae
   3. Air
   4. Worms
4. What is one way biotic factors interact with each other?
   1. Through sunlight
   2. Through food chains
   3. Through rain
   4. Through wind
5. Which of the following is an example of a decomposer?
   1. Grass
   2. Rabbit
   3. Mushroom
   4. Lion
6. Why are biotic factors important?
   1. They keep the ecosystem balanced.
   2. They provide water.
   3. They provide sunlight.
   4. They create rocks.
7. What type of biotic factor is a flower?
   1. Animal
   2. Plant
   3. Bacteria
   4. Fungi