KK12 Cambridge Biology: Adaptation and Diversity Topic 4
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Questions and Answers

What type of interaction between species is characterized by a close and long-term biological relationship?

  • Competition
  • Symbiosis (correct)
  • Predation
  • Mutualism
  • What is the term for a group of organisms of the same species living in the same location at the same time?

  • Population (correct)
  • Species
  • Community
  • Ecosystem
  • What is the role of decomposers in an ecosystem?

  • To produce their own food
  • To consume other organisms
  • To compete with other organisms for resources
  • To break down dead organic matter (correct)
  • What is the term for a species that has a significantly large impact on an ecosystem?

    <p>Keystone species</p> Signup and view all the answers

    What is the difference between a food chain and a food web?

    <p>A food chain is a linear depiction, while a food web is more intricate</p> Signup and view all the answers

    What is the term for the combination of organisms and their habitat, including interactions between biotic and abiotic factors?

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

    What is the primary purpose of adaptations in an organism?

    <p>To enhance its survival and existence in a wide range of environments</p> Signup and view all the answers

    Which type of adaptation involves a cellular process that increases an organism's chance of survival?

    <p>Physiological Adaptation</p> Signup and view all the answers

    What is an example of a behavioural adaptation in animals?

    <p>The hibernation of bears during winter</p> Signup and view all the answers

    Why is genetic diversity important within a species or population?

    <p>It allows the species to adapt to a wide range of environments</p> Signup and view all the answers

    What is the main difference between adaptation and evolution?

    <p>Adaptation is a change in an individual, while evolution is a change in a population</p> Signup and view all the answers

    Who has contributed to our understanding of adaptations in organisms?

    <p>Aboriginal and Torres Strait Islander peoples, as well as scientists</p> Signup and view all the answers

    What is the primary reason why plants exhibit phototropism?

    <p>To photosynthesize and produce energy</p> Signup and view all the answers

    What is the characteristic of the lawyer-cane plant that allows it to reach light in crowded rainforests?

    <p>Its rings of small hooks that attach to other plants</p> Signup and view all the answers

    What is the term for the turning of all or part of an organism in response to external stimuli?

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

    What is the benefit of the Aboriginal and Torres Strait Islander people's knowledge of plant adaptations?

    <p>It helps them to survive in the hostile land</p> Signup and view all the answers

    What is the adaptive feature of the water-holding frog that allows it to survive dry periods?

    <p>Its ability to store water under its skin</p> Signup and view all the answers

    What is the underlying mechanism that enables plants to grow in particular directions?

    <p>Physiological processes</p> Signup and view all the answers

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