Weird Places: Movile Cave

What is a key characteristic of Movile Cave that makes its ecosystem so unusual?

• It is located in a very cold region.

• It is completely sealed off from the outside world.

• It has many different types of plants growing inside.

• It is filled with fresh, clean water.

How do the bacteria in Movile Cave produce their food without sunlight?

• They eat small insects and worms.

• They use energy from chemical reactions with gases.

• They absorb nutrients from the cave walls.

• They rely on food that seeps in from the surface.

How do the bacteria in Movile Cave contribute to shaping the cave's physical structure?

• They build nests that expand the cave.

• They produce sulfuric acid that erodes the limestone walls.

• They create new rock formations.

• They cause earthquakes that widen the cave.

Which of these is an adaptation that helps animals survive in the dark environment of Movile Cave?

• Having very large eyes to see in the dark.

• Developing bright colors to attract mates.

• Having long antennae and lacking skin pigmentation.

• Growing wings to fly through the cave.