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