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Stuff Every Mammal Study Scout Should Know: free practice in 30-second cards

Stuff Every Mammal Study Scout Should Know

Practice facts for the Mammal Study merit badge. Not an official Scouting America credential.

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Free to start, no sign-up. 59 cards so far. One Knowledge Score and day streak across all your courses.

Questions people ask

Is this practice test free?

Yes. The first 50 cards are free for everyone with no sign-up, each with the answer, why it is right and its sources. Aha Trivia members get all 59 cards and timed practice exams.

How many practice questions are there?

59 practice questions so far. Each one is a 3-choice card that takes about 30 seconds, and the course grows as new cards pass our source checks.

Where do the answers come from?

Every card lists the sources it was checked against, and each answer explains why it is right. If you think an answer is wrong, tap "Challenge this answer" in the game and it gets reviewed.

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Yes. Voice mode reads the questions out loud and you answer by voice.

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  1. What does the word mammal come from, referring to milk-producing body parts?
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    Latin mamma for breast. The scientific name Mammalia comes from Latin mamma, meaning teat or breast.

  2. Which three middle ear bones help carry sound in mammals?
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    Malleus, incus, and stapes. Mammals have a chain of three middle ear bones: malleus, incus, and stapes.

  3. What covers a mammal's body that no other animal group has?
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    Hair. Hair is a definitive characteristic of mammals, though some have very little.

All 59 practice questions

The first 50 are free, with the answer, why it's right and the official sources. The other 9 (๐Ÿ”’) open with a membership (every test). Or play them as a game and track what you've learned.

Show all 59 questions
  1. What does the word mammal come from, referring to milk-producing body parts?
  2. Which three middle ear bones help carry sound in mammals?
  3. What covers a mammal's body that no other animal group has?
  4. Which mammal is the only one that can truly fly?
  5. About how many cervical neck vertebrae do most mammals have?
  6. Which mammal group lays eggs instead of giving birth to live young?
  7. What temporary organ connects a developing placental fetus to the mother?
  8. What is the study of mammals called?
  9. Which is the largest order of mammals by number of species?
  10. What is the main function of a mammal's fur?
  11. What kind of teeth do most carnivorous mammals have for shearing meat?
  12. How many stomach sections does an even-toed ungulate like a cow have?
  13. What do bats use to find their way and catch insects in the dark?
  14. Which mammal is known for a very long lifespan of up to 211 years?
  15. What is a mammal that walks on its toes, like a cat or dog, called?
  16. What is an animal adapted to digging and living mostly underground called?
  17. Which type of mammal has a prehensile tail for grasping branches?
  18. What do herbivores rely on in their gut to break down tough plant fibers?
  19. What does a mammal use its diaphragm for?
  20. What is the main sugar found in the milk of placental mammals?
  21. What is the process called when a young mammal stops depending on milk?
  22. What do prairie dogs use complex calls to signal?
  23. What does a skunk's black-and-white coat likely do?
  24. Why do arctic foxes and snowshoe hares change coat color with the seasons?
  25. What is a mammal that walks on the tips of its toes, like a horse, called?
  26. How do whales and dolphins move through the water?
  27. What is a mammal that lives in trees and has long limbs for reaching called?
  28. What does a mammal's neocortex, unique to mammals, belong to?
  29. How many chambers does a mammalian heart have?
  30. What do red blood cells in mammals lack to carry more oxygen?
  31. What is the thick insulating layer called in marine mammals like whales?
  32. Why do camels have dense fur in the desert?
  33. What do elephants use infrasonic rumbling calls for?
  34. What is a mammal that hangs beneath branches, like a sloth, achieving?
  35. What do many mammals use scent marking for?
  36. What kind of diet does an omnivore eat?
  37. Why are small mammals under about 18 ounces mostly insectivorous?
  38. What does a mammal's larynx control?
  39. What does a mammal's dermis layer contain?
  40. What is the name for animals that eat fruit?
  41. What kind of teeth do grazing animals that eat hard grasses have?
  42. What do pinnipeds like seals use their fore-flippers for?
  43. Which feature means an animal has a backbone?
  44. What do mammals produce to feed their young?
  45. Which mammal is the largest animal, reaching about 30 meters?
  46. Which mammal group gives birth to live young with a placenta?
  47. Which group includes kangaroos and carries young in a pouch?
  48. Which order includes bats?
  49. Which order includes cats, dogs, and seals?
  50. Which order includes humans, monkeys, and lemurs?
  51. Which order includes shrews, moles, and hedgehogs? ๐Ÿ”’
  52. Which small mammal has a lifespan of only about two years? ๐Ÿ”’
  53. What is the name for the study of how organisms are grouped? ๐Ÿ”’
  54. Which kingdom do mammals belong to? ๐Ÿ”’
  55. What do we call animals without a backbone? ๐Ÿ”’
  56. Which sense organ do bats have on their wings to detect airflow? ๐Ÿ”’
  57. What is an animal that eats leaves called? ๐Ÿ”’
  58. What is an animal that eats seeds called? ๐Ÿ”’
  59. What do vervet monkeys give for different predators? ๐Ÿ”’