Creating a Closed Terrarium

What is a key feature of a closed terrarium?

• It is an open ecosystem.

• It needs constant sunlight.

• It requires daily watering.

• It is self-sustaining once set up.

Which of the following is NOT a suitable container for a terrarium?

• Glass jar with a clip top

• Plastic bag

• Cork-sealed jar

• Screw-on lid jar

What is the purpose of the gravel layer in a terrarium?

• To enhance the aesthetic appeal

• To prevent sunlight from entering

• To separate standing water from the soil

• To provide nutrients to the plants

How does the water cycle function in a closed terrarium?

• Water is lost through the container

• Water is only absorbed by the plants

• Water evaporates, condenses, and falls back into the substrate

• Water is absorbed by the container

What should be the composition of a good soil mix for a terrarium?

• Clay and silt

• Pure compost

• Dead leaves, moss, and compost

• Sand and pebbles

Why is moss recommended for ground covering in a terrarium?

• It requires no water

• It spreads and creates a lush appearance

• It is the only plant that can survive in a terrarium

• It repels insects

What role do worms play in a terrarium?

• They consume the plants

• They add nutrients to the soil

• They help in pollination

• They prevent plant growth

What is the benefit of adding wood lice to a terrarium?

• They decompose dead matter

• They prevent plant growth

• They help in pollination

• They consume the plants

What is the final step in setting up a terrarium?

• Adding more plants

• Watering by misting

• Adding more soil

• Sealing the container

What should you do if some plants in the terrarium die?

• Replace the soil

• Add more water

• Remove the entire terrarium

• Observe as other plants grow in their place