Gr 8 Natural Sciences Ch 1.2: Adaptations
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Questions and Answers

What is the main purpose of adaptations in organisms?

  • To change their color
  • To make them stronger
  • To make them more attractive
  • To help them survive and reproduce in their environments (correct)

    • What type of adaptation involves physical characteristics that enhance survival?

  • Behavioral Adaptation
  • Functional Adaptation
  • Structural Adaptation (correct)
  • Environmental Adaptation

    • What occurs when environments change and only those organisms with suitable adaptations can survive?

  • Natural Selection (correct)
  • Genetic Drift
  • Artificial Selection
  • Mutation

    • What is an example of a functional adaptation?

    <p>Birds laying eggs with hard shells</p> Signup and view all the answers

    What is the term for the innate, typically fixed pattern of behavior in animals in response to certain stimuli?

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

    What is the term for the seasonal movement of animals from one region to another?

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

    What is an adaptation that allows organisms to blend in with their surroundings?

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

    What is the term for an adaptation in which one species evolves to resemble another species?

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

    What is the main purpose of camouflage in animals?

    <p>To blend in with their surroundings to avoid predators</p> Signup and view all the answers

    What is an example of a behavioral adaptation in plants?

    <p>Flower timing to attract the right pollinators</p> Signup and view all the answers

    What is the term for when one species resembles another to gain protection or other advantages?

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

    What is the main reason for the Riverine Rabbit's critically endangered status?

    <p>Habitat destruction</p> Signup and view all the answers

    What is an example of a natural factor that can disrupt ecosystems?

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

    What is the term for when organisms enter a state of inactivity during winter to conserve energy?

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

    What is the purpose of the baobab tree's umbrella-shaped canopy?

    <p>To maximize light exposure while minimizing water loss</p> Signup and view all the answers

    What is an example of a structural adaptation in plants?

    <p>Umbrella thorn acacia's deep roots</p> Signup and view all the answers

    What is the term for when non-native species outcompete native species for resources or introduce diseases?

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

    What is the main reason why many animals migrate to different areas at different times of the year?

    <p>To find food</p> Signup and view all the answers

    What is the primary mechanism driving the process of adaptation in organisms?

    <p>Natural Selection</p> Signup and view all the answers

    What type of adaptation would the development of strong legs and muscles in an animal be classified as?

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

    What would be an example of a functional adaptation in birds?

    <p>Laying eggs with hard shells</p> Signup and view all the answers

    What is the term for the process by which organisms change over time to better survive in their environment?

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

    Which of the following is an example of a behavioral adaptation?

    <p>A bird's instinct to migrate</p> Signup and view all the answers

    What would happen to organisms that cannot adapt to a changing environment?

    <p>They would become extinct</p> Signup and view all the answers

    What type of environment is characterized by land-based habitats?

    <p>Terrestrial Environment</p> Signup and view all the answers

    What is the term for the state of inactivity and metabolic depression in animals during winter?

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

    What is the primary benefit of the umbrella-shaped canopy of the Umbrella Thorn Acacia?

    <p>To maximize light exposure while minimizing water loss</p> Signup and view all the answers

    What is a common consequence of habitat destruction?

    <p>Limitation of resources and space for many species</p> Signup and view all the answers

    What is the primary purpose of the baobab tree's water storage adaptation?

    <p>To ensure a constant water supply during droughts</p> Signup and view all the answers

    What is the term for the process by which plants produce food?

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

    What is an example of a long-term natural factor that can disrupt ecosystems?

    <p>Climate change</p> Signup and view all the answers

    What is the primary benefit of hibernation in animals?

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

    What is the term for the movement of animals from one region to another at different times of the year?

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

    What is a consequence of overexploitation of resources?

    <p>Depletion of resources faster than they can recover</p> Signup and view all the answers

    What is the term for the adaptation that allows one species to resemble another?

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

    What is an example of a human-induced change that can disrupt ecosystems?

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

    What is the primary advantage of the baobab tree's ability to store water in its trunk?

    <p>To endure long dry periods</p> Signup and view all the answers

    Which of the following is an example of a natural factor that can cause mass extinctions?

    <p>Sudden climate change</p> Signup and view all the answers

    What is the primary reason why many plants have evolved to bloom at specific times?

    <p>To attract more pollinators</p> Signup and view all the answers

    What is the result of only those organisms with suitable adaptations surviving in a changing environment?

    <p>Natural selection and evolution of new species</p> Signup and view all the answers

    What is the primary purpose of structural adaptations in organisms?

    <p>To enhance survival in the environment</p> Signup and view all the answers

    What is the primary consequence of human activities such as habitat destruction?

    <p>Permanent alterations to habitats</p> Signup and view all the answers

    What is the primary advantage of the Umbrella Thorn Acacia's umbrella-shaped canopy?

    <p>To maximize light exposure while minimizing water loss</p> Signup and view all the answers

    What type of adaptation would an animal's ability to store water in its body be classified as?

    <p>Functional adaptation</p> Signup and view all the answers

    What is the term for the land-based habitats where organisms live?

    <p>Terrestrial environment</p> Signup and view all the answers

    What is the primary effect of invasive species on ecosystems?

    <p>Disruption of native species' habitats</p> Signup and view all the answers

    What is the primary purpose of the chameleon's ability to change its skin color?

    <p>To blend in with its surroundings</p> Signup and view all the answers

    What drives the process of adaptation in organisms?

    <p>Natural selection</p> Signup and view all the answers

    What is the primary purpose of behavioral adaptations in organisms?

    <p>To improve survival in the environment</p> Signup and view all the answers

    What is the primary consequence of climate change on ecosystems?

    <p>Permanent alterations to habitats</p> Signup and view all the answers

    What is the result of a species evolving to resemble another species?

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

    What is the primary advantage of hibernation in animals?

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

    What is the primary effect of pollution on ecosystems?

    <p>Disruption of ecosystems</p> Signup and view all the answers

    What is the primary benefit of adaptation in organisms?

    <p>To enhance survival in the environment</p> Signup and view all the answers

    What is the primary mechanism driving the process of adaptation in organisms that fail to adapt to environmental challenges?

    <p>Natural selection</p> Signup and view all the answers

    Which type of adaptation is characterized by changes in physiological processes to enhance survival?

    <p>Functional adaptation</p> Signup and view all the answers

    What happens to organisms that cannot adapt to a changing environment?

    <p>They become extinct</p> Signup and view all the answers

    What type of environment is characterized by land-based habitats where organisms live?

    <p>Terrestrial environment</p> Signup and view all the answers

    Which of the following is an example of a behavioral adaptation?

    <p>The instinctive behavior of animals to migrate to new regions</p> Signup and view all the answers

    What is the primary purpose of adaptations in organisms?

    <p>To survive and reproduce in their environment</p> Signup and view all the answers

    What drives the process of adaptation in organisms?

    <p>Natural selection</p> Signup and view all the answers

    What is the result of only those organisms with suitable adaptations surviving in a changing environment?

    <p>Evolution of new species</p> Signup and view all the answers

    What is the primary reason why the baobab tree's flowers emit a rotting meat odor?

    <p>To attract nocturnal pollinators</p> Signup and view all the answers

    Which of the following is an example of a natural factor that can cause permanent alterations in habitats?

    <p>Climate change</p> Signup and view all the answers

    What is the primary advantage of the Umbrella Thorn Acacia's deep roots?

    <p>To access groundwater during dry periods</p> Signup and view all the answers

    Which of the following is an example of a human-induced change that can disrupt ecosystems?

    <p>Habitat destruction</p> Signup and view all the answers

    What is the primary purpose of the baobab tree's ability to store water in its trunk?

    <p>To ensure a constant water supply during dry periods</p> Signup and view all the answers

    Which of the following is an example of a behavioral adaptation in animals?

    <p>Migration to different areas at different times of the year</p> Signup and view all the answers

    What is the primary consequence of human activities such as pollution on ecosystems?

    <p>Disruption of ecosystems</p> Signup and view all the answers

    Which of the following is an example of a natural factor that can disrupt ecosystems temporarily?

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

    What is the primary purpose of the Riverine Rabbit's specific habitat requirements?

    <p>To ensure the rabbit's survival in the Karoo</p> Signup and view all the answers

    Which of the following is an example of an adaptation that allows one species to resemble another?

    <p>The mimicry of the harmless king snake</p> Signup and view all the answers

    What is the main purpose of migration in animals?

    <p>To escape harsh weather and find food</p> Signup and view all the answers

    What is the adaptation that allows the baobab tree to survive in arid regions?

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

    What is the result of human activities such as habitat destruction?

    <p>The destruction or fragmentation of habitats</p> Signup and view all the answers

    What is the term for the process by which organisms change over time to better survive in their environment?

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

    What is the primary advantage of the chameleon's ability to change its skin color?

    <p>It helps the chameleon to camouflage</p> Signup and view all the answers

    What is the primary effect of invasive species on ecosystems?

    <p>The outcompetition of native species for resources</p> Signup and view all the answers

    What is the ultimate outcome of organisms that cannot adapt to their environment?

    <p>They become extinct</p> Signup and view all the answers

    What is the primary purpose of flower timing in plants?

    <p>To attract the right pollinators</p> Signup and view all the answers

    What is the primary benefit of structural adaptations in organisms?

    <p>Enhancing survival</p> Signup and view all the answers

    What is the primary consequence of climate change on ecosystems?

    <p>A permanent alteration in habitats</p> Signup and view all the answers

    Which type of adaptation involves physiological processes that enhance survival?

    <p>Functional adaptation</p> Signup and view all the answers

    What is the result of natural selection in a changing environment?

    <p>Only organisms with suitable adaptations survive</p> Signup and view all the answers

    What is the primary purpose of behavioral adaptations in organisms?

    <p>Improving survival</p> Signup and view all the answers

    What is an example of a functional adaptation in birds?

    <p>Laying eggs with hard shells</p> Signup and view all the answers

    What is the primary driver of the adaptation process in organisms?

    <p>Environmental change</p> Signup and view all the answers

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