Geological Times: Eons, Eras, and Periods
10 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

During which geological era did the Cambrian Explosion occur?

  • Neoproterozoic
  • Cenozoic
  • Mesozoic
  • Paleozoic (correct)

    • What possible environmental conditions contributed to the Cambrian Explosion?

  • Shallow warm waters (correct)
  • Cold sea temperatures
  • Deep oceans
  • Low oxygen levels in the atmosphere

    • Which type of organisms resulted from the Cambrian Explosion?

  • Flying insects
  • Land mammals
  • Desert plants
  • Aquatic life forms (correct)

    • What was the adaptive advantage of hard-bodied animals during the Cambrian Explosion?

    <p>Better defense against predators</p> Signup and view all the answers

    Which group of animals are considered the ancestors of insects, spiders, and crustaceans?

    <p>Arthropods</p> Signup and view all the answers

    What is the most recent eon in the geological time scale?

    <p>Phanerozoic</p> Signup and view all the answers

    How many periods is the Paleozoic era divided into?

    <p>6</p> Signup and view all the answers

    What was a result of the increase in oxygen levels in the atmosphere during the Cambrian Explosion?

    <p>The emergence of complex life forms</p> Signup and view all the answers

    What was a characteristic of brachiopods that evolved during the Cambrian Explosion?

    <p>Hard-bodied with shells</p> Signup and view all the answers

    What was a benefit of having a hard-bodied shell during the Cambrian Explosion?

    <p>Provided good defence against predators</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser