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Exploring Mammals: An Engaging Quiz on Mammalian Biology

This quiz explores various aspects of mammalian biology, including classification, evolutionary history, and physiological characteristics. It aims to educate participants on key concepts related to mammals and their unique traits.

#Mammals #Biology #Paleontology #Megafauna #Ecology

1 What does the following picture show? American Lion was one of the abundant Pleistocene megafauna, a wide variety of very large mammals that lived during the Pleistocene and went extinct about 10,000 years ago. Over 70% of mammal species are in the orders Rodentia (blue), Chiroptera (red), and Soricomorpha (yellow)

2 What is the subphylum of Mammal?

3 What period do the fossils of Mammals come from?

4 What phylum does Mammal belong to?

5 The authors work together as paleontologists at the ________, New York.

6 Although mammals and other animals have ________ that superficially may resemble it, no other animals except mammals have hair.

7 The only large insectivorous mammals are those that feed on huge colonies of insects (________ or termites).

8 Grandorder Archonta: ________, primates, colugos, and treeshrews

9 The lungs of mammals have a spongy texture and are honeycombed with ________ having a much larger surface area in total than the outer surface area of the lung itself.

10 Grandorder Anagalida: lagomorphs, rodents, and ________

💡 Interesting Facts

  • the Suisun Shrew is a rare mammal species that survives only in a narrow marshland at the northern extremity of San Francisco Bay.
  • the decline of the gopher tortoise poses a threat to the Florida mouse, which forms the only mammal genus that occurs only in Florida.
  • the Stag-moose (Cervalces scotti) went extinct about 11,500 years ago, part of a mass extinction of large North American mammals toward the end of the most recent ice age.
  • the Nicaraguan Rice Rat is one of only two mammals endemic to Nicaragua.
  • the Laotian Rock Rat is a new species of rodent that is unique enough to lead researchers to create a new family of mammals.
  • the fossil mammalian tooth LACM 149371 shows resemblances with some ungulates, rodents, and multituberculates, but most likely belongs to the extinct Gondwanatheria.
  • the largest known colony of mammals in the world is found in Bracken Cave near the small town of Bracken, Texas.
  • the recently described synapsid Raranimus (pictured) is the most basal member of the order Therapsida, from which mammals are a descendant taxon.
  • there are 64 varieties of mammal in Tam Dao National Park in Vietnam and some are on the menu.
  • the prehistoric mammal Yanoconodon (pictured) was a Eutriconodont, a group of early, ancestral mammals that in some cases, grew so big they were able to eat small dinosaurs.
  • the native mammal fauna of Puerto Rico consists exclusively of bats.
  • the lower species diversity among certain mammals of New England compared to mammals of the American West is thought to be due to fewer glacial refugia in the Eastern United States.
  • the nematode Capillaria plica is a parasite found in the urinary bladder of dogs, cats and various mammals.
  • the anthraquinones, emodin glycosides, toxalbumins, and alkaloids found in coffee senna (pictured) can be toxic to mammals when consumed in large quantities.
  • microchromosomes are very tiny gene-rich chromosomes which are a typical genetic component in birds, and some groups of non-mammalian animals.
  • Ambondro, which lived in Madagascar about 167 million years ago, is the oldest known mammal with modern, tribosphenic molars.
  • Megazostrodon (pictured) is widely accepted as being one of the first mammals to have appeared on Earth.
  • limbic resonance is a process of "internal adaptation whereby two mammals become attuned to each other's inner states".
  • RNA-binding piwi proteins are required for the formation of sperm in many animals, including mammals.
  • Castorocauda lutrasimilis, a recently described mammal relative that looked like an otter with a beaver's tail, evolved a semi-aquatic lifestyle 110 million years earlier than any other mammal-like animal.
  • Repenomamus may have been the largest mammal in the Cretaceous period and is the only mammal known to have eaten non-avian dinosaurs.
  • more than 200 species of mammals (male kob pictured) display homosexual behavior including oral sex, genital stimulation, and urolagnia.
  • in 1994, Joseph Takahashi and his collaborators identified the genetic basis for circadian rhythms in mammals.
  • female Redtail Splitfin nourish their unborn young through organs known as trophotaeniae that function similar to umbilical cords in mammals.
  • by 1941, American zoologist Edward Alphonso Goldman had described more new mammals than any other living scientist.
  • bats comprise about 20% of all mammal species found in the Central Oregon Coast Range (pictured).
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