How to Identify and Classify Spiders
  • 1. What is the most basic characteristic that distinguishes spiders from insects?
A) Spiders have wings, insects do not.
B) Spiders have antennae, insects do not.
C) Spiders have exoskeletons, insects do not.
D) Spiders have eight legs, insects have six.
  • 2. The body of a spider is divided into how many main sections?
A) Four
B) Three
C) One
D) Two
  • 3. What are the two main body sections of a spider called?
A) Cephalothorax and abdomen
B) Head and abdomen
C) Thorax and abdomen
D) Head and thorax
  • 4. Which of these structures is used by spiders to produce silk?
A) Pedipalps
B) Spinnerets
C) Mandibles
D) Antennae
  • 5. What are pedipalps primarily used for in spiders?
A) Silk production
B) Sensing and manipulating prey
C) Venom injection
D) Walking
  • 6. Which of the following is NOT a common method of spider prey capture?
A) Photosynthesis
B) Ambush predation
C) Active hunting
D) Web building
  • 7. What is the term for the spider's fangs?
A) Chelicerae
B) Pedipalps
C) Spinnerets
D) Mandibles
  • 8. The arrangement of eyes can be helpful in identifying...
A) Spider individuals
B) Spider families
C) Spider species
D) Spider genera
  • 9. Which type of web is typically built horizontally near the ground?
A) Sheet web
B) Orb web
C) Funnel web
D) Tangle web
  • 10. Which family of spiders is known for its elaborate orb webs?
A) Araneidae
B) Theridiidae
C) Lycosidae
D) Salticidae
  • 11. Which family of spiders includes the jumping spiders?
A) Lycosidae
B) Salticidae
C) Theridiidae
D) Araneidae
  • 12. Which spider family is known for carrying its egg sac attached to its spinnerets?
A) Theridiidae
B) Lycosidae
C) Araneidae
D) Salticidae
  • 13. What does 'dimorphism' mean in the context of spiders?
A) The spider's ability to change colors
B) The type of web a spider builds
C) Differences in appearance between males and females
D) The number of eyes a spider has
  • 14. What is the term for the process of a spider shedding its exoskeleton?
A) Pupation
B) Molting
C) Hatching
D) Metamorphosis
  • 15. Which of the following spiders is known for its painful bite and distinctive hourglass marking?
A) Black widow
B) Wolf spider
C) Brown recluse
D) Jumping spider
  • 16. What feature distinguishes male spiders from females (often found on pedipalps)?
A) Longer legs
B) Bulb-like structures
C) Larger abdomen
D) Brighter coloration
  • 17. Where do funnel-web spiders typically build their webs?
A) In a funnel shape leading to a retreat
B) Under water
C) High in trees
D) On flat surfaces
  • 18. What type of spider is known to actively hunt its prey without using a web?
A) Cobweb spider
B) Hobo spider
C) Orb-weaver spider
D) Wolf spider
  • 19. Which of the following is a characteristic of cobweb spiders (Theridiidae)?
A) No webs; they actively hunt
B) Neat, symmetrical orb webs
C) Irregular, tangled webs
D) Funnel-shaped webs
  • 20. What is the primary function of spider venom?
A) To subdue or kill prey
B) To build webs
C) To camouflage themselves
D) To attract mates
  • 21. Which spider family is known for camouflaging itself to resemble bird droppings?
A) Trapdoor Spiders
B) Bolases spiders
C) Ground Spiders
D) Sac Spiders
  • 22. What is the function of the cribellum and calamistrum structures found in some spiders?
A) Attracting mates
B) Sensing vibrations
C) Creating hackled silk
D) Injecting venom
  • 23. Which of these spiders is likely to be found in leaf litter?
A) Jumping spider
B) Funnel web spider
C) Ground spider
D) Orb weaver
  • 24. What is the purpose of the 'trapdoor' in trapdoor spiders' burrows?
A) To ambush prey
B) To collect rainwater
C) To attract mates
D) To provide ventilation
  • 25. What adaptation allows jumping spiders to have excellent vision?
A) Large anterior median eyes
B) Many small eyes arranged in a circle
C) No eyes, they rely on vibrations
D) Compound eyes like insects
  • 26. What is the difference between araneomorph and mygalomorph spiders?
A) Number of eyes
B) Body size
C) Web building
D) Chelicerae movement
  • 27. What is the term for the silk safety line some spiders use when jumping or climbing?
A) Lifeline
B) Webline
C) Spinneret line
D) Dragline
  • 28. What do pirate spiders (Mimetidae) primarily feed on?
A) Nectar
B) Insects
C) Plants
D) Other spiders
  • 29. What is the approximate number of known spider species worldwide?
A) Over 48,000
B) Exactly 20,000
C) Around 10,000
D) Under 1,000
  • 30. How do spiders typically consume their prey?
A) By injecting digestive enzymes and sucking up the liquefied remains
B) By chewing their prey with powerful jaws
C) By filtering out small particles from their prey
D) By swallowing their prey whole
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