Book E Ch 1 Modified Test

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Book E Ch 1 Modified Test - Quiz


Questions and Answers
  • 1. 

    1,  The clown fish lives among the stinging tentacles of the sea anemone but never gets stung. The sea anemone protects the clown fish from predators, and the clown fish helps bring food to the carnivorous sea anemone. What kind of relationship is this?

    • A.

      Mutualism

    • B.

      Parisitism

    • C.

      Answer option 3

    • D.

      Answer option 4

    Correct Answer
    A. Mutualism
    Explanation
    The relationship described is mutualism. Mutualism is a type of symbiotic relationship where both species benefit from each other. In this case, the clown fish benefits from the protection provided by the sea anemone's stinging tentacles, while the sea anemone benefits from the clown fish bringing food to it.

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  • 2. 

    6. My wonderful students set up an experiment to determine if population density affected plant growth. Students took radish seeds and planted 2 seeds in one container and 8 seeds in the other container. Both containers were the same size, and both contained the same amount and type of soil. They carefully watered each container with the same amount of water each day and they put both containers in the same location to recieve the same amount of sunlight. My students observed the plants growth and saw that one container's plants looked healthier, greener, and with thicker stems than the other one.  What is the independant variable?

    • A.

      Same cup, soil, sunlight.....

    • B.

      2 seed in one cup, 8 in the other

    • C.

      Answer option 3

    • D.

      Answer option 4

    Correct Answer
    B. 2 seed in one cup, 8 in the other
    Explanation
    The independent variable in this experiment is the number of seeds planted in each container. This is the variable that is deliberately manipulated by the students to see if it has an effect on plant growth. By planting 2 seeds in one container and 8 seeds in the other, the students are testing the hypothesis that population density affects plant growth. They are comparing the growth of the plants in each container to determine if there is a difference in health, color, and stem thickness.

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  • 3. 

    7. Anything that restricts the number of individuals living in a population is

    • A.

      Limiting factor

    • B.

      Population spacing

    • C.

      Answer option 3

    • D.

      Answer option 4

    Correct Answer
    A. Limiting factor
    Explanation
    A limiting factor refers to any factor that restricts the growth or size of a population. It can be a physical factor like availability of resources or a biological factor like predation or disease. These factors play a crucial role in regulating population size by limiting the number of individuals that can survive and reproduce in a given area. Therefore, the correct answer is "limiting factor".

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  • 4. 

    The role a species plays within a community is its ____.

    • A.

      Niche

    • B.

      Habitat

    Correct Answer
    A. Niche
    Explanation
    The role a species plays within a community is its niche. A niche refers to the specific position or function of an organism within its environment, including its interactions with other species and its utilization of resources. It encompasses the species' habitat, behavior, feeding habits, and other ecological factors that contribute to its survival and reproduction.

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  • 5. 

    A carrying capacity is anything that restricts the number of individuals in a population

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because carrying capacity refers to the maximum number of individuals that an environment can sustainably support. It is determined by factors such as the availability of resources, competition, predation, and disease. Carrying capacity does not restrict the number of individuals in a population, but rather represents the limit at which population growth stabilizes.

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  • 6. 

    A symbiotic relationship that benefits both species is referred to as commensalism.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because a symbiotic relationship that benefits both species is actually referred to as mutualism, not commensalism. Commensalism is a type of symbiotic relationship where one species benefits while the other is neither harmed nor benefited.

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  • 7. 

    Meat eaters, like tigers and frogs, are called carnivores

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Meat eaters, such as tigers and frogs, are classified as carnivores because they primarily consume meat as their main source of nutrition. Carnivores have specific adaptations in their teeth, jaws, and digestive systems that allow them to efficiently hunt, capture, and digest animal flesh. This distinguishes them from herbivores, which primarily eat plants, and omnivores, which consume both plants and meat. Therefore, it is true that meat eaters like tigers and frogs are called carnivores.

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  • 8. 

    Plant eaters, like deer and rabbits, are called omnivores

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is incorrect. Plant eaters like deer and rabbits are actually called herbivores, not omnivores. Omnivores are animals that consume both plants and other animals.

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  • 9. 

    Producers found on the ocean floor use a process called photosynthesis to create energy-rich molecules

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because producers found on the ocean floor do not use photosynthesis to create energy-rich molecules. Photosynthesis requires sunlight, which is not available in the deep ocean. Instead, producers in the deep ocean rely on chemosynthesis, a process that uses chemicals such as hydrogen sulfide to produce energy-rich molecules.

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  • 10. 

    The place in which an organism lives is called its habitat

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    An organism's habitat refers to the specific place or environment in which it naturally lives and obtains the resources it needs to survive. This includes factors such as climate, food availability, shelter, and other necessary conditions for the organism's existence. Therefore, the statement "The place in which an organism lives is called its habitat" is true because it accurately defines the term habitat and its relationship to an organism's living space.

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  • 11. 

    Worms are decomposers, animals that consume dead organisms.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Worms are classified as decomposers because they play a vital role in breaking down dead organisms and organic matter. They consume dead plant material, animal remains, and other organic waste, breaking them down into smaller particles. This process helps to recycle nutrients back into the ecosystem, making them available for other organisms to use. Therefore, the statement that worms are decomposers and consume dead organisms is true.

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  • Current Version
  • Jun 02, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 13, 2013
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    Bmsscience
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