Ücretsiz Kullanmaya Başla
PDF Downloads

Habitat and niche

Biology • Organisms & Environment • Knowledge-Based • 5 questions

Habitat and niche Knowledge-Based Download PDF

Biology · Ecology · Biology · Organisms & Environment

5 Biology practice questions on Habitat and niche. Questions that assess core concepts and understanding.

Questions

  1. 1.

    What term is used to describe unrelated species that occupy similar ecological niches in geographically separated habitats with comparable environmental conditions?

    • A) Sympatric populations
    • B) Trophic generalists
    • C) Ecological equivalents
    • D) Specialist parasites
  2. 2.

    What typically happens to the realized niche of a species when a direct interspecific competitor is removed from its habitat?

    • A) It expands closer to the boundaries of the species' fundamental niche.
    • B) It contracts due to the absence of stimulating competitive interactions.
    • C) It remains strictly unchanged because niche dimensions are genetically fixed.
    • D) It immediately shifts into an entirely different trophic level.
  3. 3.

    Which term describes the full range of environmental conditions and resources an organism could theoretically utilize in the complete absence of biotic interactions such as competition and predation?

    • A) Fundamental niche
    • B) Realized niche
    • C) Microhabitat
    • D) Trophic level
  4. 4.

    Two different species of birds inhabit the same forest canopy throughout the year. Which of the following conditions most directly allows these two species to stably coexist in this shared habitat?

    • A) Relying on identical food sources and foraging times
    • B) Possessing identical physiological tolerances and trophic roles
    • C) Eliminating natural predators through mutualistic defense
    • D) Occupying different ecological niches to minimize competitive overlap
  5. 5.

    Which of the following statements correctly distinguishes an organism's habitat from its ecological niche?

    • A) An organism's habitat describes its functional role within a community, whereas its niche describes the physical area where it lives.
    • B) Two distinct species can occupy the exact same niche indefinitely, but they can never share the same physical habitat.
    • C) Habitat encompasses all biotic interactions of an organism, while niche refers solely to abiotic geographical boundaries.
    • D) Habitat refers to the specific physical environment where an organism resides, whereas its ecological niche encompasses its functional role and interactions within the ecosystem.