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