Evolution of Spider Webs

What is central to nearly all of the spider's trapping methods?

• Their ability to camouflage

• Their ability to run fast

• Their ability to spin a web

• Their ability to jump

How old is the oldest known spiderweb, and where was it found?

• Around 110 million years ago in Spain

• Around 150 million years ago in China

• Around 100 million years ago in Australia

• Around 120 million years ago in Brazil

What period do the earliest spider fossils date back to?

• Jurassic period

• Cretaceous period

• Triassic period

• Carboniferous period

Tags

NGSS.MS-LS4-1

What were the largest things on land 420 million years ago?

• Eight meter tall fungus named Prototaxites

• Large trees

• Dinosaurs

• Giant insects

Tags

NGSS.MS-LS4-1

What is unique about the family of spiders from Southeast Asia mentioned in the text?

• They live underwater

• They are the largest spiders

• They can fly

• They have a segmented abdomen

Tags

NGSS.MS-LS4-2

What is the name of the creature that had silk glands but lacked spinnerets?

• Prototaxites

• Chimera arachne

• Delitschala

• Atocopus

Tags

NGSS.MS-LS4-2

What did the earliest arachnids look a lot like according to the text?

• Spiders

• Centipedes

• Ticks

• Scorpions

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Why is silk production in arachnids significant?

• It evolved in the Cretaceous period

• It predates spiders

• It was only used for making webs

• It is unique to spiders

Tags

NGSS.MS-LS1-4

What was the landscape like during the Carboniferous period?

• Mostly underwater

• Covered in large forests not related to modern trees

• Covered in large forests related to modern trees

• Desert-like with few plants

How did spiders and their webs evolve according to the text?

• Webs evolved multiple times independently

• Spiders never evolved webs; they were always there

• Webs evolved once and some spiders lost the ability

• Spiders evolved webs after insects developed flight