Biodiversity and Evolution
30 Questions
1 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

What was one of the important themes in Jean-Baptiste Lamarck's work on evolution?

  • The concept of organic movement in animals
  • The adaptation of animals to changes in their environment (correct)
  • The role of natural selection in the evolutionary process
  • The idea of speciation and evolution

    • Who published his ideas on evolution in the same year Charles Darwin was born?

  • Charles Darwin
  • Jean-Baptiste Lamarck (correct)
  • An unknown scientist
  • A group of naturalists

    • What is one way that giraffes adapted to changes in their environment, according to Lamarck?

  • Their bodies became smaller to conserve energy
  • Their legs lengthened to run faster
  • Their necks elongated to reach higher leaves (correct)
  • Their necks shortened over time

    • What is the term for the process by which animals change over time to better suit their environment?

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

    What is one of the skills students will be able to demonstrate by the end of this lesson?

    <p>Demonstrating how biodiversity and evolution help an ecosystem to function</p> Signup and view all the answers

    What is one of the questions students are asked to consider at the beginning of the lesson?

    <p>All of the above</p> Signup and view all the answers

    What is an ecosystem composed of?

    <p>The interaction of living and nonliving things</p> Signup and view all the answers

    What is the main source of energy for organisms living on Earth?

    <p>The light coming from the sun</p> Signup and view all the answers

    What do plants and other photosynthetic organisms convert into energy-rich compounds?

    <p>Carbon dioxide and water</p> Signup and view all the answers

    What is the term for organisms that can manufacture their own food?

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

    What do chemosynthetic autotrophs use to synthesize organic compounds?

    <p>Dissolved chemicals from hydrothermal vents</p> Signup and view all the answers

    What is an example of a producer in an ecosystem?

    <p>Algae in the pond</p> Signup and view all the answers

    What is the result of being exposed to a new environment?

    <p>New resources become available, creating opportunities and challenges.</p> Signup and view all the answers

    What is the tempo of speciation?

    <p>The final mechanism of speciation.</p> Signup and view all the answers

    What is gradualism?

    <p>A slow, gradual accumulation of changes over time.</p> Signup and view all the answers

    What is punctuated equilibrium?

    <p>A period of rapid change followed by stability.</p> Signup and view all the answers

    What is the result of mutations?

    <p>Changes in the DNA that can be passed on to succeeding generations.</p> Signup and view all the answers

    What is the focus of this chapter?

    <p>How living and nonliving things work together to achieve stability.</p> Signup and view all the answers

    What was the outcome of Darwin's five-year voyage?

    <p>He questioned the belief that Earth and organisms are unchanging.</p> Signup and view all the answers

    What is the main idea of Darwin's theory of natural selection?

    <p>Organisms evolve over time through a process of variation and selection.</p> Signup and view all the answers

    What type of evidence does comparative anatomy provide?

    <p>Similar structures with different functions in different organisms.</p> Signup and view all the answers

    What is the significance of sedimentary layers in fossil records?

    <p>They provide a timeline of Earth's age.</p> Signup and view all the answers

    What is the commonality among nitrogen base sequences in the genetic code?

    <p>They are the same in almost all organisms.</p> Signup and view all the answers

    What is an example of an observable event in evolution?

    <p>Changes in species over time.</p> Signup and view all the answers

    What is the main characteristic of consumers in a food chain?

    <p>They feed mainly on producers</p> Signup and view all the answers

    What is the role of decomposers in a food chain?

    <p>To break down the remains of dead organisms</p> Signup and view all the answers

    Which trophic level is composed of plants and other autotrophic organisms?

    <p>First trophic level</p> Signup and view all the answers

    What is the term for organisms that feed only on plants?

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

    What is the term for consumers that feed on the tissues of dead animals?

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

    What is the term for the position an organism occupies in a food chain?

    <p>Trophic level</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser