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