Poison dart frog - Exam
Poison dart frog
  • 1. Where are poison dart frogs found mainly?
A) Africa
B) Australia
C) Central and South America
D) Asia
  • 2. What do poison dart frogs eat primarily?
A) Insects
B) Fish
C) Plants
D) Small mammals
  • 3. What is the purpose of the poison in a poison dart frog's skin?
A) Attracting prey
B) Aiding in digestion
C) Defense against predators
D) Camouflage
  • 4. Which of the following is NOT a color variation of poison dart frogs?
A) Brown
B) Green
C) Yellow
D) Blue
  • 5. How do poison dart frogs protect themselves in their environment?
A) Running at high speeds
B) Flying away
C) Digging burrows
D) Camouflage and toxicity
  • 6. Which part of a poison dart frog's body contains the most potent toxins?
A) Tail
B) Eyes
C) Skin
D) Mouth
  • 7. What is the main habitat of poison dart frogs?
A) Mountains
B) Tropical rainforests
C) Grasslands
D) Deserts
  • 8. What family do poison dart frogs belong to?
A) Ranidae
B) Dendrobatidae
C) Bufonidae
D) Hylidae
  • 9. What is the common name for the group of frogs in the family Dendrobatidae?
A) Bright frog
B) Rainforest frog
C) Toxic tree frog
D) Poison dart frog
  • 10. Which of the following is NOT a characteristic of most poison dart frogs?
A) They are nocturnal
B) They are toxic
C) They are brightly colored
D) They are diurnal
  • 11. How many species of poison dart frogs have been documented as being used by aboriginal South Americans to poison blowdarts?
A) Four
B) Ten
C) Fifty
D) One hundred
  • 12. What genus is characterized by the relatively large size and high levels of toxicity of its members?
A) Dendrobates
B) Phyllobates
C) Ranitomeya
D) Colostethus
  • 13. What is the average adult length of most poison dart frogs?
A) 10 cm
B) 3 cm
C) 5 cm
D) Less than 1.5 cm
  • 14. What is the average weight of adult poison dart frogs?
A) 50 g
B) 28 g
C) 100 g
D) 10 g
  • 15. What kind of defense mechanism is associated with the bright coloration of poison dart frogs?
A) Cryptic coloration
B) Aposematism
C) Camouflage
D) Mimicry
  • 16. How do adult poison dart frogs transport their tadpoles to suitable water?
A) Leaving them on leaves
B) Piggybacking them one at a time
C) Carrying them in their mouths
D) Placing them in their nests
  • 17. Which of the following is NOT a natural habitat of poison dart frogs?
A) Deserts
B) Rivers
C) Moist, lowland forests
D) Freshwater marshes
  • 18. Which of the following is a natural habitat of poison dart frogs?
A) Moist montanes
B) Tundra
C) Deserts
D) Grasslands
  • 19. What is the maximum height from the ground that poison dart frogs can be found in trees?
A) 20 m
B) 5 m
C) 15 m
D) 10 m
  • 20. What is the primary reason for the threatened status of many poison dart frog species?
A) Climate change
B) Natural predators
C) Human infrastructure encroaching on their habitats
D) Disease
  • 21. Can captive-bred poison dart frogs accumulate alkaloids?
A) Yes, when provided an alkaloidal diet
B) No, they cannot accumulate alkaloids
C) Only if they are genetically modified
D) Only if they are exposed to wild populations
  • 22. What contributed to differentiation among Bocas del Toro populations of Oophaga pumilio?
A) Diet
B) Sexual selection
C) Predation
D) Climate
  • 23. Which of the following is a habitat where poison dart frogs can be found?
A) Boreal forests
B) Tundra
C) Seasonally wet or flooded lowland grassland
D) Deserts
  • 24. What phase did Tebanicline reach in human trials before being dropped?
A) Phase II
B) Phase IV
C) Phase III
D) Phase I
  • 25. What disease is caused by the fungus Batrachochytrium dendrobatidis (Bd)?
A) Malaria
B) Influenza
C) Chytridiomycosis
D) Tuberculosis
  • 26. What may females do after a day of active pursuit during courtship?
A) Occasionally reject males
B) Always accept males
C) Leave the area
D) Flee from the males
  • 27. How many mice can the toxin from an average golden poison frog kill?
A) About twenty thousand
B) About ten thousand
C) About fifty thousand
D) About one hundred thousand
  • 28. What is the operational sex ratio in the poison dart frog family?
A) Male biased
B) Equal
C) Unpredictable
D) Female biased
  • 29. What is the origin of all species of poison dart frogs?
A) Australian
B) African
C) Neotropical
D) Asian
  • 30. Which of the following is NOT typically part of the Dendrobatidae's primary diet?
A) Mites.
B) Small beetles.
C) Orthopteroids.
D) Ants.
  • 31. What behavior do poison dart frogs exhibit that resembles copulation but is actually territorial?
A) Egg laying
B) Feeding
C) Wrestling matches
D) Nest building
  • 32. What is a common characteristic of the natural habitats of poison dart frogs?
A) Dry environments
B) Moist environments
C) Cold environments
D) High-altitude environments
  • 33. What is the ideal daytime temperature range for poison dart frogs in captivity?
A) 72 °F (22 °C) to 80 °F (27 °C)
B) 50 °F (10 °C) to 60 °F (16 °C)
C) 60 °F (16 °C) to 65 °F (18 °C)
D) 80 °F (27 °C) to 90 °F (32 °C)
  • 34. Who usually chooses the oviposition site in poison dart frogs?
A) The females
B) Both together
C) Neither, it is random
D) The males
  • 35. How do poison dart frogs acquire their chemical defense mechanisms?
A) Through symbiotic relationships
B) Through environmental absorption
C) Through synthesis within their bodies
D) Through the consumption of toxic arthropods
  • 36. How many times is aposematism thought to have originated within the poison dart frog family?
A) At least four times
B) Five times
C) Twice
D) Once
  • 37. How many genera are currently contained within the family Dendrobatidae?
A) 10
B) 16
C) 20
D) 25
  • 38. What is the name of the snake that has developed immunity to poison dart frog toxins?
A) Python regius
B) Erythrolamprus epinephalus
C) Crotalus atrox
D) Boa constrictor
  • 39. What do female Dendrobatidae often do after courting with a male?
A) Exhibit aggressive behavior towards other females.
B) Share the male with other females.
C) Ignore other females.
D) Leave the territory.
  • 40. Which factor is believed to have influenced the evolution of polymorphism in Oophaga granulifera?
A) Dietary changes
B) Climate change
C) Variation in predation regimens
D) Geographical isolation
  • 41. Which media source features images of Dendrobatidae?
A) Audubon Society
B) CalPhotos
C) BBC Wildlife
D) National Geographic
  • 42. What is the ideal humidity range for poison dart frogs in captivity?
A) 30 to 50%
B) 100 to 120%
C) 50 to 70%
D) 80 to 100%
  • 43. How long ago did conspecific color morphs in some poison dart frog species emerge?
A) 6,000 years
B) 50,000 years
C) 10,000 years
D) 1,000 years
  • 44. Where are the female poison dart frogs typically located when they receive the male's call?
A) Near the stream
B) In caves
C) In the forest canopy
D) On the ground
  • 45. What is the primary reason for the introduction of poison dart frogs to Hawaii?
A) Natural migration
B) Climate change
C) Human activity
D) Predator pressure
  • 46. What is the name of the painkiller derived from Epipedobates tricolor that is 200 times as potent as morphine?
A) Morphine
B) Codeine
C) Epibatidine
D) Heroin
  • 47. What is the primary method of feeding tadpoles in some poison dart frog species?
A) Plant leaves
B) Waterborne algae
C) Small insects
D) Unfertilized eggs laid at regular intervals by the mother
  • 48. What type of compounds do poison dart frogs secrete through their skin?
A) Carbohydrates
B) Proteins
C) Alkaloids
D) Acids
  • 49. Which company developed a derivative of epibatidine named Tebanicline?
A) Johnson & Johnson
B) Abbott Laboratories
C) Merck
D) Pfizer
  • 50. What is the approximate number of species in the family Dendrobatidae?
A) 200
B) 100
C) 400
D) 300
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