Creating a Closed Terrarium

What is a key feature of a closed terrarium that allows it to be self-sustaining?

• It requires daily watering.

• It has an open top for air circulation.

• It has its own nutrient and water cycles.

• It needs frequent soil replacement.

Which material is optional but recommended to separate the soil from the stone layer in a terrarium?

• A piece of cardboard

• A plastic sheet

• A layer of sand

• A sheet of mesh

Why is it important to collect moss from the center of a patch rather than the edges?

• To maintain the patch's integrity

• To prevent soil erosion

• To avoid disturbing wildlife

• To ensure it grows faster

What is the purpose of the false bottom or drainage layer in a terrarium?

• To allow air circulation

• To keep the terrarium warm

• To prevent water from sitting in the soil and causing rot

• To provide nutrients to the plants

Which of the following is NOT recommended for use in a terrarium due to its potential size?

• Small weeds

• Ferns

• Grasses

• Moss

What role do isopods or woodlice play in a terrarium?

• They increase the humidity level.

• They help in pollinating the plants.

• They act as a cleanup crew, breaking down dead matter.

• They provide nutrients to the plants.

Why is it important not to overwater the terrarium before sealing it?

• It can cause the plants to grow too quickly.

• It will make the terrarium too heavy.

• It will cause the glass to fog up.

• It can lead to mold growth and plant death.

What is the final step in creating a closed terrarium?

• Sealing it with a lid

• Placing it in direct sunlight

• Introducing more plants

• Adding more soil

What is the main benefit of having a closed terrarium on your windowsill?

• It is a self-sustaining ecosystem.

• It acts as a natural air purifier.

• It requires daily maintenance.

• It needs frequent watering.

What should you do if some plants in the terrarium do not adapt well?

• Remove them immediately.

• Replace the soil.

• Add more water.

• Rely on woodlice to break down the dead matter.