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Iguanas - Quiz
Contributed by: Bull
  • 1. What type of animal is an iguana?
A) Bird
B) Reptile
C) Amphibian
D) Mammal
  • 2. Where are iguanas primarily found in the wild?
A) Asia
B) Australia
C) Africa
D) Central and South America
  • 3. How do iguanas regulate their body temperature?
A) Swimming in cold water
B) Hibernating
C) Basking in the sun
D) Burrowing underground
  • 4. What is the typical color of an iguana's skin?
A) Blue
B) Green
C) Red
D) Yellow
  • 5. What is the scientific name for the common green iguana?
A) Iguana verde
B) Iguana iguana
C) Iguana sapida
D) Iguana maximus
  • 6. Which sense is particularly well-developed in iguanas?
A) Hearing
B) Vision
C) Taste
D) Smell
  • 7. What can be a potential danger to pet iguanas in captivity?
A) Dehydration
B) Obesity
C) Anemia
D) Metabolic bone disease
  • 8. Which of the following is an adaptation of iguanas for climbing?
A) Webbed feet
B) Hooves
C) Strong wings
D) Sharp claws
  • 9. What is the term for shedding and regrowing an iguana's skin?
A) Ecdysis
B) Exfoliation
C) Molting
D) Peeling
  • 10. How many toes does an iguana have on each foot?
A) 5
B) 4
C) 6
D) 3
  • 11. Who first described the genus Iguana?
A) Carl Linnaeus
B) Gregor Mendel
C) J.N. Laurenti
D) Charles Darwin
  • 12. In what year was the genus Iguana first described?
A) 1859
B) 1901
C) 1768
D) 1804
  • 13. How many chambers does the heart of an iguana have?
A) Two
B) Four
C) Three
D) Five
  • 14. How do iguanas communicate with each other?
A) Visual signals
B) Vocalizations
C) Electrical discharges
D) Chemical signals
  • 15. What is the maximum recorded clutch size for Iguana iguana?
A) 50 eggs
B) 71 eggs
C) 40 eggs
D) 30 eggs
  • 16. Which subspecies of green iguana is recognized in parts of the northern Lesser Antilles?
A) I. i. melanoderma
B) I. i. iguana
C) I. i. insularis
D) I. i. sanctaluciae
  • 17. According to Breuil et al. (2020), which species is the most basal member of the genus Iguana?
A) I. delicatissima
B) I. insularis
C) I. rhinolopha
D) I. melanoderma
  • 18. What is the name of the large round scale on an iguana's cheek?
A) Cervical shield
B) Subtympanic shield
C) Nasal shield
D) Dorsal shield
  • 19. Which subspecies of green iguana is found in Saint Lucia?
A) I. i. iguana
B) I. i. insularis
C) I. i. melanoderma
D) I. i. sanctaluciae
  • 20. Which study proposed that the green iguana is the closest relative of the mole skink?
A) Breuil et al. (2020)
B) Rest et al. (2003)
C) Darwin's study on evolution
D) Vidal and Hedges (2009)
  • 21. How many species are placed in the genus Iguana?
A) Seven
B) Three
C) Five
D) Two
  • 22. During which season do iguanas typically mate to ensure their offspring hatch when food is more plentiful?
A) Wet season
B) Dry season
C) Spring
D) Autumn
  • 23. What is a unique feature of female iguana reproduction?
A) They require multiple males to fertilize their eggs.
B) They can store sperm for several years.
C) They cannot reproduce without mating.
D) They lay eggs immediately after mating.
  • 24. Which photopigment found in lampreys is also present in iguanas?
A) Rhodopsin
B) Photopsin
C) Melanopsin
D) Parapinopsin
  • 25. What type of reproductive strategy do iguanas exemplify?
A) Parental care
B) Monogamous pairing
C) r-strategy reproduction
D) K-strategy reproduction
  • 26. What is the primary function of the fast-twitch glycolytic muscle fibers in iguanas?
A) Enhance climbing ability
B) Facilitate long-duration movement
C) Enable short bursts of movement
D) Support sustained swimming
  • 27. What type of muscle fibers are predominant in iguanas, giving them a pale color?
A) Cardiac muscle fibers
B) Slow-twitch oxidative (type I) fibers
C) Fast-twitch glycolytic (type A) fibers
D) Intermediate-twitch fibers
  • 28. What is the primary diet of iguanas?
A) Insectivorous
B) Omnivorous
C) Herbivorous
D) Carnivorous
  • 29. What technique do iguanians employ for catching prey?
A) Ambush technique
B) Chasing prey over long distances
C) Active searching
D) Using webs to trap prey
  • 30. How do male iguanas mark their territory?
A) With a pheromone secreted from femoral pores
B) By digging trenches around their territory
C) Using visual displays of color change
D) Through vocal calls
  • 31. Which sense do iguanians primarily use to identify and track prey?
A) Sight
B) Sound
C) Touch
D) Chemoreception
  • 32. From which language is the word 'iguana' derived?
A) Spanish
B) Portuguese
C) French
D) Taino
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