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    Biology
    Grade-7
    Easy

    Question

    Males may compete over an existing territory, available females, nesting sites, or breeding rights in a social hierarchy.
    The above example is which type of behaviour?

    1. Defensive 
    2. Aggressive
    3. Direct
    4. Indirect

    Hint:

    The competing individuals show threatening behavior.

    The correct answer is: Aggressive

      • When the available resources are limited, competition occurs between the organisms
      • During competition, the organisms tend to alter their behavior to acquire the resources
      • Aggressive behavior is exhibited by animals to attain the available materials for its survival
      • Defensive mechanism is expressed to protect themselves from predators

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      When their resources are compromised, animals exhibit _____ behavior.

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      What is defensive behavior?

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      2. When a space is found by an animal that contains all the resources it needs to survive, it tends to hold onto it.
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      When different animals that live in the same geographic area (sympatric species) compete for the same set of resources, mostly food, and space, it is called _______ competition.

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      Two species with similar ecological niches cannot exist sympatrically (in the same environment).
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      In total, there are how many types of competitions regarding co-existence?

      1. 2
      2. 4
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