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 (A)</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 (B)</p> Signup and view all the answers

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

<p>Migration (B)</p> Signup and view all the answers

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

<p>Camouflage (B)</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 (C)</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 (B)</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 (A)</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 (D)</p> Signup and view all the answers

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

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

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

<p>Floods (A)</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 (C)</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 (B)</p> Signup and view all the answers

What is an example of a structural adaptation in plants?

<p>Umbrella thorn acacia's deep roots (A)</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 (C)</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 (D)</p> Signup and view all the answers

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

<p>Natural Selection (B)</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 (D)</p> Signup and view all the answers

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

<p>Laying eggs with hard shells (D)</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 (B)</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 (D)</p> Signup and view all the answers

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

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

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

<p>Terrestrial Environment (C)</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 (A)</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 (D)</p> Signup and view all the answers

What is a common consequence of habitat destruction?

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

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

<p>Photosynthesis (D)</p> Signup and view all the answers

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

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

What is the primary benefit of hibernation in animals?

<p>To conserve energy (A)</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 (D)</p> Signup and view all the answers

What is a consequence of overexploitation of resources?

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

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

<p>Mimicry (A)</p> Signup and view all the answers

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

<p>Deforestation (C)</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 (B)</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 (B)</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 (A)</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 (A)</p> Signup and view all the answers

What is the primary purpose of structural adaptations in organisms?

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

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

<p>Permanent alterations to habitats (C)</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 (B)</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 (B)</p> Signup and view all the answers

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

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

What is the primary effect of invasive species on ecosystems?

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

What drives the process of adaptation in organisms?

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

What is the primary purpose of behavioral adaptations in organisms?

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

What is the primary consequence of climate change on ecosystems?

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

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

<p>Mimicry (A)</p> Signup and view all the answers

What is the primary advantage of hibernation in animals?

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

What is the primary effect of pollution on ecosystems?

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

What is the primary benefit of adaptation in organisms?

<p>To enhance survival in the environment (D)</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 (A)</p> Signup and view all the answers

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

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

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

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

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

<p>Terrestrial environment (C)</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 (A)</p> Signup and view all the answers

What is the primary purpose of adaptations in organisms?

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

What drives the process of adaptation in organisms?

<p>Natural selection (A)</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 (A)</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 (A)</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 (B)</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 (C)</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 (B)</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 (A)</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 (D)</p> Signup and view all the answers

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

<p>Disruption of ecosystems (D)</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 (A)</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 (B)</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 (D)</p> Signup and view all the answers

What is the main purpose of migration in animals?

<p>To escape harsh weather and find food (B)</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 (C)</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 (D)</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 (C)</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 (D)</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 (D)</p> Signup and view all the answers

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

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

What is the primary purpose of flower timing in plants?

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

What is the primary benefit of structural adaptations in organisms?

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

What is the primary consequence of climate change on ecosystems?

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

Which type of adaptation involves physiological processes that enhance survival?

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

What is the primary purpose of behavioral adaptations in organisms?

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

What is an example of a functional adaptation in birds?

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

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

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

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