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How to Identify and Classify Geckos
Contributed by: Wallis
  • 1. What is the most defining characteristic of geckos, compared to other lizards?
A) Fixed eyelids
B) Detachable tails
C) A forked tongue
D) Adhesive toe pads
  • 2. Most geckos are active during what time of day?
A) Crepuscular
B) Nocturnal
C) Diurnal
D) Arboreal
  • 3. What type of scales are commonly found on gecko skin?
A) Granular
B) Ganoid
C) Scutes
D) Placoid
  • 4. Which toe pad structure is composed of microscopic, hair-like projections?
A) Spikes
B) Lamellae
C) Setae
D) Claws
  • 5. What is the primary function of the gecko's detachable tail?
A) Balance
B) Predator avoidance
C) Thermoregulation
D) Food storage
  • 6. What is the term for the process of a gecko shedding its skin?
A) Crypsis
B) Autotomy
C) Aposematism
D) Ecdysis
  • 7. The shape of a gecko's pupil helps indicate if it's nocturnal or diurnal. What pupil shape is typical for nocturnal geckos?
A) Horizontal slit
B) Vertical slit
C) Round
D) Triangular
  • 8. Where do most geckos lay their eggs?
A) Inside a nest
B) In the open
C) In a hidden location
D) In water
  • 9. What is the primary diet of most geckos?
A) Fish
B) Plants
C) Insects
D) Small mammals
  • 10. Which family of geckos are known for their unique leaf-like tails for camouflage?
A) Eublepharidae
B) Uroplatus
C) Sphaerodactylidae
D) Gekkonidae
  • 11. What characteristic helps distinguish geckos in the Eublepharidae family from other geckos?
A) Size
B) Toe pads
C) Tail shape
D) Eyelids
  • 12. What type of vocalization do some geckos use for communication?
A) Hissing
B) Growling
C) Clicking or chirping
D) Roaring
  • 13. What is the function of the lamellae located on a gecko's toe pads?
A) Increase surface area for adhesion
B) Absorb moisture
C) Sense vibrations
D) Provide protection from abrasion
  • 14. Geckos that lack adhesive toe pads typically live in what kind of environment?
A) Arboreal
B) Aerial
C) Aquatic
D) Terrestrial
  • 15. What is one way geckos regulate their body temperature?
A) Sweating
B) Panting
C) Shivering
D) Basking in the sun
  • 16. What is the term for the coloration that helps a gecko blend into its environment?
A) Crypsis
B) Dichromatism
C) Mimicry
D) Aposematism
  • 17. Which family of geckos is known for their small size (often under 3 inches)?
A) Eublepharidae
B) Sphaerodactylidae
C) Gekkonidae
D) Diplodactylidae
  • 18. What is the scientific term for the study of reptiles and amphibians?
A) Herpetology
B) Ornithology
C) Ichthyology
D) Entomology
  • 19. Which of these is NOT a common habitat for geckos?
A) Tropical rainforest
B) Deserts
C) Temperate forests
D) Arctic tundra
  • 20. What is the role of the cloaca in geckos?
A) Respiration
B) Excretion and reproduction
C) Circulation
D) Digestion
  • 21. What is the main difference between gecko scales and the scales of a snake?
A) Gecko scales are larger; snake scales are smaller
B) Gecko scales are thicker; snake scales are thinner
C) Gecko scales are granular; snake scales are overlapping
D) Gecko scales are smoother; snake scales are rough
  • 22. What reproductive strategy do some gecko species utilize when males are scarce?
A) Hermaphroditism
B) Viviparity
C) Parthenogenesis
D) Ovoviviparity
  • 23. How can you determine the sex of some gecko species?
A) By their size alone
B) By examining the presence of preanal pores in males
C) By their coloration alone
D) By their vocalizations alone
  • 24. What does 'arboreal' mean in the context of gecko habitat?
A) Living in deserts
B) Living in burrows
C) Living in trees
D) Living in water
  • 25. What is one threat to gecko populations in the wild?
A) Habitat loss
B) Cooler temperatures
C) Increased rainfall
D) Overpopulation
  • 26. What does 'nocturnal' mean in the context of gecko activity?
A) Active at dawn and dusk
B) Active during the day
C) Active in the water
D) Active at night
  • 27. What is the function of the nictitating membrane in some geckos?
A) Protects the eye
B) Enhances hearing
C) Helps with balance
D) Aids in smelling
  • 28. How do geckos find their prey in the dark?
A) Using smell alone
B) Excellent vision and sensing vibrations
C) Using echolocation
D) Using electrical fields
  • 29. What is the main reason geckos shed their skin?
A) To waterproof their skin
B) To grow and remove parasites
C) To attract mates
D) To change color
  • 30. Which family of geckos are known for their fat tails?
A) Gekkonidae
B) Diplodactylidae
C) Sphaerodactylidae
D) Eublepharidae
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