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Dinosaurs Flocabulary Quiz Answers Key

Q1 Dinosaurs were dominant on Earth during the ________ Era.
  1. Cenozoic
  2. Mesozoic
  3. Paleozoic
  4. Precambrian
Q2 Dinosaurs evolved from a type of
  1. reptile.
  2. bacterium.
  3. amphibian.
  4. invertebrate.
Q3 The evolution of a species or group is best described as
  1. completely random.
  2. very slow and gradual.
  3. sudden and unexpected.
  4. occurring over a couple of years.
Q4 The main difference between dinosaurs and reptiles is their
  1. knees.
  2. rib cages.
  3. backbones.
  4. hip sockets.
Q5 Saurischian dinosaurs are known as
  1. fish-hipped.
  2. bird-hipped.
  3. lizard-hipped.
  4. reptile-hipped.
Q6 Most Ornithischian dinosaurs were
  1. fruitarian.
  2. carnivorous.
  3. omnivorous.
  4. herbivorous.
Q7 Kiara, a paleontologist, discovered a fossilized dinosaur skull with sharp, blade-shaped teeth. What could she infer from her findings?
  1. The dinosaur was a meat eater.
  2. The dinosaur was a plant eater.
  3. The dinosaur hunted in large groups.
  4. The dinosaur preferred to hunt alone.
Q8 Which of the following can not be learned from studying a dinosaur’s fossils?
  1. its size
  2. the color of its skin
  3. the type of food it ate
  4. the shape of its teeth
Q9 Dinosaurs lived on Earth for ________ years.
  1. 1 trillion
  2. 1 million
  3. 160 million
  4. 575 million
Q10 Which of these describes the relationship between dinosaurs and modern birds?
  1. Dinosaurs are the ancestors of modern birds.
  2. Dinosaurs are the descendants of modern birds.
  3. Dinosaurs and modern birds evolved at the same time.
  4. Though some dinosaurs share some traits with modern birds, they are not related.

Dinosaurs Flocabulary Read & Respond Answers

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Q1 Which of the following best describes the evolution of dinosaurs?
  1. Dinosaurs started out smaller and gradually got bigger over time.
  2. T. rex and Brachiosaurus were two of the first dinosaurs to evolve.
  3. Dinosaurs lived on Earth for about 1,000 years and continued to evolve during that time.
  4. The largest dinosaurs appeared first, and the smallest ones appeared after the Mesozoic Era.
Q2 Which of the following is true?
  1. Dinosaurs walked with their legs sprawled out to the side.
  2. Reptiles evolved from dinosaurs, so they walk in the same way.
  3. Dinosaurs walked differently than reptiles because of their hip sockets.
  4. Reptiles’ hip sockets allowed them to walk with their legs underneath their bodies.
Q3 The Allosaurus was a two-legged dinosaur that hunted and ate other dinosaurs. Its pubic bone pointed forward. Which of the following does not describe the Allosaurus?
  1. theropod
  2. herbivore
  3. carnivore
  4. saurischian
Q4 What was the purpose of the predentary bone?
  1. to frighten predators
  2. to better chew meat and grains
  3. to more easily bite off plant matter
  4. to help digest leaves and other plants
Q5 Which of the following could scientists learn from studying a dinosaur’s fossils?
  1. its blood type
  2. the size of its feet
  3. the pattern on its skin
  4. whether it was covered by feathers
Q6 Which of the following best describes how dinosaurs became extinct?
  1. They were hit by the asteroid and all died right away.
  2. A dust cloud turned them into plants, which later died.
  3. An earthquake buried them all underground where they became fossils.
  4. An asteroid impact caused both short- and long-term effects that eventually killed them all.
Q7 Why were some maniraptorans able to survive when the vast majority of other dinosaurs went extinct?
  1. Their food supply was not destroyed by the asteroid’s effects.
  2. They mated with birds to create a hybrid species of dinosaur.
  3. Their long legs helped them outrun natural disasters.
  4. They had larger brains than other dinosaurs.

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Jennifer Kellyhttps://answersmentor.com
Jennifer Kelly is an experienced educator with a passion for empowering students to achieve academic success. With over 12 years of teaching experience, Jennifer has worked with students at all levels, ranging from elementary to high school. Her dedication to helping students excel in their studies led her to create the educational blog Answer Mentor.

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