Is it all those legs, or the way they seem to dangle in mid-air, that makes spiders so frightening? People run screaming from them, even though most spiders are not dangerous at all to humans. Take this quiz to learn more about these silk-spinning, insect-eating creatures.
Approximately how many species of spider are there in the United States?
Spiders are closely related to which of these?
What is the shortest body length found among spiders?
- 1/5 inch
- 1/50 inch
- 1/500 inch
What is the world's largest species of spider?
- wolf spider
- brown recluse
How many sections does a spider's body have?
The tapered area between the cepholothorax and the abdomen is called what?
Where are the respiratory systems of spider found?
- the cepholothorax
- the pedicle
- the abdomen
Up to how many eggs might a spider lay?
Which of these is a spider likely to eat?
If you were to make a thread of spider silk that surrounded the globe, how much would it weigh?
- six ounces
- six pounds
- six tons
How do spiders avoid getting caught in their own webs?
- A spider's feet are immune to the sticky substance they lay on their webs.
- A spider must avoid getting caught in a web by remembering where the sticky areas are and avoiding them.
- A spider can produce a kind of saliva that releases it from the glue of the web it lays.
How far can jumping spiders leap relative to their body length?
- 10 times its length
- 20 times its length
- 40 times its length
Which of these spiders builds tube-like nests lined with silk in the ground, as a way of trapping its prey?
- brown recluse spider
- orb spider
- trap-door spider
Which of these species has two sets of short legs and two sets of long ones?
- the wolf spider
- the crab spider
- the brown recluse
Why do black widows eat their mates?
- The black widow does not want to share her mate with others.
- The black widow cannot tell the difference between her mate and other snacks.
- The black widow's mate carried special proteins that she needs.
Why must spiders molt regularly?
- Spiders have no other way of increasing their size.
- Spiders need to expose their skin to oxygen from time to time.
- Spiders are allergic to their own dead skin.
How often do adult female spiders molt?
- once a month
- once a year
- once every five years
If a tarantula falls into the water, what will likely happen?
- They will most likely drown.
- They will float to safety and emerge totally dry.
- They will die instantly due to a species-related water allergy.
What makes bleeding injuries so dangerous for tarantulas?
- Tarantulas have very little blood, and cannot afford to lose any of it.
- When tarantulas bleed their strong-smelling blood attracts predators.
- The blood of a tarantula does not clot, which means they have no way to stop a bleed once it starts.
Which species of spider lives the longest?
- brown recluse
- orb spider