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