Interactions Among Living Things Practice For Proprof Exam

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  • 1/18 Questions

    Which term matches these relationships: A deer tick attaches itself to a person walking in the woods. To access blood, the tick imbeds itself into the skin of the person. In the skin, the tick transfers bacteria that causes a rash and Lyme disease, which makes the person ill.  This is called: 

    • Natural selection
    • Prey
    • Predator
    • Adaptations
    • Predation
    • Symbiosis
    • Mutualism
    • Niche
    • Commensalism
    • Parasite/parasitism
    • Host
    • Competition
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About This Quiz

This quiz focuses on ecological interactions such as mutualism, parasitism, commensalism, competition, and adaptations, tailored for ProProf exam preparation.

Interactions Among Living Things Practice For Proprof Exam - Quiz

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  • 2. 

    The organism that does the killing of another is the:

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    • Mutualism

    • Niche

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Natural selection

    Correct Answer
    A. Predator
    Explanation
    A predator is an organism that hunts and kills other organisms for food. It is the one that does the killing in a predator-prey relationship. Predators have adaptations that help them catch and subdue their prey, such as sharp teeth, claws, or speed. They play a crucial role in maintaining the balance of ecosystems by controlling the population of prey species.

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  • 3. 

    The organism that is killed is the:

    • Niche

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Natural selection

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    • Mutualism

    Correct Answer
    A. Prey
    Explanation
    The correct answer is "Prey" because prey refers to an organism that is killed and eaten by another organism. In a predator-prey relationship, the prey is the organism that is hunted and killed for food by the predator. This relationship is an important aspect of the natural food chain and plays a crucial role in maintaining the balance of ecosystems.

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  • 4. 

    Which of these relationships is the best example of parasitism?

    • A bat pollinating a saguaro cactus

    • An oyster crab living off the algae on it's host oyster

    • A flea living on cat blood

    • Ants protecting a tree that produce its only food

    Correct Answer
    A. A flea living on cat blood
    Explanation
    A flea living on cat blood is the best example of parasitism. In this relationship, the flea benefits by feeding on the cat's blood, while the cat is harmed by the flea's presence and the potential for disease transmission. The flea benefits at the expense of the cat, making it a clear example of parasitism.

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  • 5. 

    A relationship where one organism lives in or on another organism, causing it harm: 

    • Natural selection

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Mutualism

    • Niche

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    Correct Answer
    A. Parasite/parasitism
    Explanation
    Parasite/parasitism refers to a relationship in which one organism (the parasite) lives in or on another organism (the host) and causes harm to the host. The parasite benefits from this relationship by obtaining nutrients or resources from the host, while the host is negatively affected. This type of relationship is common in nature and can have significant impacts on the health and survival of the host organism.

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  • 6. 

    If two species inhabit the same niche, one of the species will eventually die off as their is ____________ between organisms trying to survive with the same resources.

    • Natural selection

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Mutualism

    • Niche

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    Correct Answer
    A. Competition
    Explanation
    Competition refers to the struggle between organisms for limited resources such as food, water, and space. When two species inhabit the same niche and compete for the same resources, there is intense competition between them. This competition can lead to one of the species outcompeting the other and eventually causing the extinction of the weaker species.

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  • 7. 

    Which term matches these relationships: A cape buffalo with an oxpecker (bird) on its back in Kenya. The oxpecker(bird) feeds from the supply of ticks on the buffalo, which in turn benefits from tick removal. This is called: 

    • Natural selection

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Mutualism

    • Niche

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    Correct Answer
    A. Mutualism
    Explanation
    Mutualism is the correct term for the relationship described in the question. Mutualism is a type of symbiotic relationship where both species involved benefit from each other's presence. In this case, the oxpecker bird benefits by feeding on ticks, while the buffalo benefits from having the ticks removed. This relationship is mutually beneficial for both species, hence it is called mutualism.

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  • 8. 

    A relationship in which one specie benefits and the other is not harmed or helped: 

    • Natural selection

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Mutualism

    • Niche

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    Correct Answer
    A. Commensalism
    Explanation
    Commensalism is a type of relationship between two species where one species benefits while the other is neither harmed nor helped. In commensalism, one species takes advantage of the resources or activities of the other species without causing any harm. This relationship is often seen in nature where one species uses another species for transportation, protection, or access to food, without providing any benefits in return. An example of commensalism is a bird building its nest in a tree, using the tree for support and shelter without affecting the tree in any way.

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  • 9. 

    The relationship that benefits both species: 

    • Niche

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Natural selection

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    • Mutualism

    Correct Answer
    A. Mutualism
    Explanation
    Mutualism refers to a relationship between two species in which both species benefit. This type of relationship is characterized by cooperation and mutual dependence, where each species provides a service or resource that the other species needs. In mutualism, both species have evolved to depend on each other for survival, reproduction, or some other important aspect of their life cycle. This relationship is mutually beneficial and can enhance the fitness and success of both species involved.

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  • 10. 

    What is it when one organism kills another organism for food energy: 

    • Niche

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Natural selection

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    • Mutualism

    Correct Answer
    A. Predation
    Explanation
    Predation refers to the act of one organism killing another organism for food energy. It is a natural process in which the predator hunts and feeds on the prey. This relationship is essential for maintaining the balance of ecosystems as it controls population sizes and helps in the survival of the fittest. Predation plays a crucial role in the food chain and is a fundamental aspect of the natural world.

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  • 11. 

    The role of an organism in its habitat: 

    • Niche

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Natural selection

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    • Mutualism

    Correct Answer
    A. Niche
    Explanation
    The term "niche" refers to the role or position that an organism occupies within its habitat. It includes the specific resources it uses, how it interacts with other organisms, and its adaptations to the environment. Understanding an organism's niche helps to understand its ecological relationships, such as competition, predation, or symbiosis, and how it contributes to the overall functioning of the ecosystem.

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  • 12. 

    Why are there fewer organisms at the top of the food chain?

    • There are usually few organisms at the top because there is a limited amount of energy available at that level of a food web.

    • There are usually few organisms at the top because the organisms at the top of the food chain care for their young longer than organisms lower on the food chain.

    • There are usually few organisms at the top because the organisms at the top of the food chain consume are omnivores that consume diverse kinds of organisms that are lower on the food chain.

    • There are usually few organisms at the top because the organisms at the top of the food chain are scavengers consuming what other organisms have left behind.

    Correct Answer
    A. There are usually few organisms at the top because there is a limited amount of energy available at that level of a food web.
    Explanation
    The correct answer is that there is a limited amount of energy available at the top of the food chain. This is because energy is transferred from one organism to another as it moves up the food chain, and there is a loss of energy at each trophic level. As a result, by the time the energy reaches the top of the food chain, there is only a small amount left to support a limited number of organisms.

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  • 13. 

    The organism that benefits from living in or on another: 

    • Natural selection

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Mutualism

    • Niche

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    Correct Answer
    A. Parasite/parasitism
    Explanation
    Parasite/parasitism is the correct answer because a parasite is an organism that benefits from living in or on another organism, known as the host, and obtains nutrients and shelter at the expense of the host. This relationship is called parasitism, and it is a form of symbiosis where one organism benefits while the other is harmed.

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  • 14. 

    Which term matches these relationships: Remora are long, slender brown fish with a dorsal fin used as an oval sucker-like structures that open and close to take a firm hold on the larger marine animals, like a shark. By sliding backward, the remora can increase the suction, or it can release itself by swimming forward. Remora's are commonly found attached to sharks,using them as transport and protection and also obtaining food from fragments dropped by them.  This is called: 

    • Natural selection

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Mutualism

    • Niche

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    Correct Answer
    A. Commensalism
    Explanation
    The relationship described in the passage is commensalism. Commensalism is a type of symbiotic relationship where one organism benefits while the other is neither harmed nor benefited. In this case, the remora fish benefits by using the shark as transportation, protection, and a source of food, while the shark is unaffected.

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  • 15. 

    Over time the characteristics that have helped individuals survive are inherited by their offspring. These are: 

    • Natural selection

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Mutualism

    • Niche

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    Correct Answer
    A. Adaptations
    Explanation
    Adaptations refer to the traits or characteristics that organisms develop over time to help them survive and reproduce in their environment. These adaptations can be physical, behavioral, or physiological and are passed on to future generations through inheritance. Through the process of natural selection, individuals with beneficial adaptations are more likely to survive and pass on their genes, while those with less advantageous traits are less likely to reproduce. Therefore, adaptations play a crucial role in the survival and evolution of species over time.

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  • 16. 

    The organism that is caused harm as other organism lives in or on it:

    • Niche

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Natural selection

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    • Mutualism

    Correct Answer
    A. Host
    Explanation
    A host is an organism that is harmed by another organism, which lives in or on it. This relationship is known as parasitism, where the parasite benefits at the expense of the host. The parasite relies on the host for survival and reproduction, while the host is negatively affected by the presence of the parasite. This interaction is a form of symbiosis, where two organisms live in close association with each other. The host provides a suitable environment for the parasite to thrive, while the parasite causes harm to the host.

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  • 17. 

    The relationship between two species that benefits at least one of the species: 

    • Niche

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Natural selection

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    • Mutualism

    Correct Answer
    A. Symbiosis
    Explanation
    Symbiosis is the correct answer because it refers to a relationship between two different species where at least one species benefits. In symbiotic relationships, the organisms involved live closely together and interact with each other. This relationship can be mutually beneficial, where both species benefit, or it can be one-sided, where only one species benefits while the other is unaffected or harmed. Symbiosis is a broad term that encompasses different types of relationships, such as mutualism, commensalism, and parasitism.

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  • 18. 

    The characteristic of an individual that makes it better suited for its environment:

    • Natural selection

    • Prey

    • Predator

    • Adaptations

    • Predation

    • Symbiosis

    • Mutualism

    • Niche

    • Commensalism

    • Parasite/parasitism

    • Host

    • Competition

    Correct Answer
    A. Natural selection
    Explanation
    Natural selection is the process by which certain traits or characteristics become more common in a population over time because they provide a survival or reproductive advantage. Individuals with these advantageous traits are better suited to their environment and are more likely to survive and reproduce, passing on their traits to future generations. This process leads to the adaptation of species to their specific environments, as those individuals with traits that are less suited to the environment are less likely to survive and reproduce.

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Quiz Review Timeline (Updated): Mar 20, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 31, 2016
    Quiz Created by
    Rhaveno

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