Spider Silk and Web Construction

The video describes the process by which a spider, likened to a real-life spider woman, produces silk to create a bridge across a river. The spider must deal with an intruder and repair the bridge using its silk, which is the toughest natural fiber, stronger than steel. The spider then constructs a large orb web, showcasing its remarkable silk production capabilities.

What technique does the spider use to prevent the silk strands from spreading too widely?

• She ties knots in the silk.

• She crimps the strands together.

• She sprays more silk to thicken it.

• She uses her legs to hold them.

What challenge does the spider face while reinforcing her bridge?

• Another spider tries to use her bridge.

• The water current is too strong.

• A strong wind blows the silk away.

• The silk breaks under its own weight.

What does the spider do with the silk that is cut by the intruder?

• She eats it later.

• She discards it.

• She ties it to another bridge.

• She uses it to trap the intruder.

Why is the silk produced by the spider considered extraordinary?

• It is invisible to the human eye.

• It is the toughest natural fiber, stronger than steel.

• It can change color to blend with the environment.

• It is waterproof and fireproof.

How wide can the spider's orb webs be?

• Up to one metre wide.

• Up to four metres wide.

• Up to two metres wide.

• Up to three metres wide.

How long does it take for the spider to complete her web from the first spray of silk?

• A few hours.

• A few minutes.

• Several days.

• A whole day.

What is the primary purpose of the spider's bridge?

• To support the web that will hang from it.

• To mark territory.

• To attract a mate.

• To catch prey directly.