How to Identify and Classify Frogs
  • 1. What is the primary characteristic used to initially identify a frog?
A) Toe webbing extent
B) Eye color
C) Body shape and size
D) Call frequency
  • 2. Which of these is NOT a common feature to observe when identifying frogs?
A) Dietary habits
B) Presence of parotoid glands
C) Tympanum size
D) Skin texture
  • 3. What is a key difference between frogs and toads?
A) Skin texture (smooth vs. warty)
B) Habitat (aquatic vs. terrestrial)
C) Size (small vs. large)
D) Diet (insectivorous vs. herbivorous)
  • 4. Parotoid glands are most useful for identifying what?
A) Toads
B) Tree frogs
C) Leopard frogs
D) Poison dart frogs
  • 5. Toe webbing is primarily related to a frog's...
A) Aquatic lifestyle
B) Defense mechanisms
C) Climbing ability
D) Camouflage effectiveness
  • 6. The tympanum is directly related to what sense?
A) Sight
B) Taste
C) Hearing
D) Smell
  • 7. How many families of frogs are generally recognized?
A) Exactly 100
B) Approximately 10
C) Several dozen
D) Around 5
  • 8. What is a common feature of tree frogs?
A) Sharp teeth
B) Toe pads for climbing
C) Dorsolateral ridges
D) Bright coloration as warning
  • 9. The term 'dorsolateral ridges' refers to features on a frog's...
A) Legs
B) Head
C) Belly
D) Back
  • 10. What is aposematism in frogs?
A) Hibernation
B) Mimicry of other animals
C) Camouflage
D) Warning coloration
  • 11. What is the most accurate way to identify frogs in a particular location?
A) Guess based on color
B) Ask a random person
C) Consult a field guide
D) Listen to its croak and look it up on YouTube
  • 12. What does 'dimorphism' refer to in frog identification?
A) Differences between juveniles and adults
B) Differences in size of the tympanum.
C) Differences between species in the same genus
D) Differences between males and females
  • 13. What is a 'metatarsal tubercle'?
A) A bump on the hind foot
B) A type of toe webbing
C) A bone in the leg
D) A skin gland
  • 14. What are 'cloacal openings' used for?
A) Hearing
B) Breathing
C) Smelling
D) Waste and reproduction
  • 15. What is a good first step when trying to identify a frog?
A) Determine its habitat
B) Listen intently for its call
C) Dissect it for anatomical features
D) Immediately check its toe webbing
  • 16. Which of the following is a North American frog family?
A) Dendrobatidae (Poison Dart Frogs)
B) Ranidae (True Frogs)
C) Mantellidae (Malagasy Frogs)
D) Myobatrachidae (Australian Frogs)
  • 17. What is the primary purpose of frog calls?
A) Attracting mates
B) Navigating in the dark
C) Warning of predators
D) Hunting prey
  • 18. Which body part is most often used to determine sex in adult frogs?
A) Leg length
B) Eye color
C) Tongue length
D) Thumb pads
  • 19. Which frog family is known for its bright colors and toxic skin secretions?
A) Ranidae
B) Hylidae
C) Dendrobatidae
D) Bufonidae
  • 20. What is 'amplexus'?
A) Frog hibernation
B) Frog camouflage
C) Mating position of frogs
D) Frog metamorphosis
  • 21. The size and prominence of the ______ can help to determine if a frog is male or female.
A) Vent
B) Tympanum
C) Nictitating Membrane
D) Metatarsal Tubercle
  • 22. What does 'arboreal' mean in relation to frog habitat?
A) Living underground
B) Living in trees
C) Living in caves
D) Living in water
  • 23. What physical trait is useful for distinguishing between a Pickerel Frog and a Leopard Frog?
A) Overall color
B) Presence of webbing
C) Leg length
D) Shape of spots
  • 24. Which of the following is NOT a method frogs use to protect themselves?
A) Echolocation
B) Playing dead
C) Camouflage
D) Poison
  • 25. The mental health of frog is checked by:
A) Psychiatrists
B) Psychologists
C) NA
D) Therapists
  • 26. What is the function of the nictitating membrane?
A) Helps with camouflage
B) Enhances night vision
C) Protects the eye underwater
D) Detects prey movement
  • 27. Which family of frogs is often referred to as 'true toads'?
A) Hylidae
B) Ranidae
C) Pipidae
D) Bufonidae
  • 28. Which of these anatomical features is NOT useful in frog classification?
A) Size of the liver
B) Structure of the vertebral column
C) Shape of the tongue
D) Arrangement of teeth
  • 29. What is the most important factor in identifying a frog species by its call?
A) Call structure and pattern
B) Time of day of the call
C) Habitat where the call is heard
D) Call volume
  • 30. What is the term for the process where a tadpole transforms into a frog?
A) Amplexus
B) Mimicry
C) Aestivation
D) Metamorphosis
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