Ecological Niches and Population Dynamics
10 Questions
4 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which process affects population density in the example of the schooling Anchovies being hunted by the Bluefin Trevally?

  • Competition
  • Predation (correct)
  • Migration
  • Reproduction

    • What is a fundamental niche?

  • The resources and habitat that the species is able to use due to competition.
  • The resources and habitat that the species is unable to use due to competition.
  • The resources and habitat that the species is actually able to use.
  • The resources and habitat that the species could theoretically use. (correct)

    • What is a realized niche?

  • The resources and habitat that the species could theoretically use.
  • The resources and habitat that the species is unable to use due to competition.
  • The resources and habitat that the species is able to use due to competition.
  • The resources and habitat that the species is actually able to use. (correct)

    • What restricts niches?

    <p>Competition</p> Signup and view all the answers

    What can Natural Selection do?

    <p>Evolve species</p> Signup and view all the answers

    Which of the following best describes the concept of ecological niches?

    <p>The unique combination of a species' spatial habitat and interactions with other species</p> Signup and view all the answers

    What is the main factor that restricts niches?

    <p>Competition between species for resources</p> Signup and view all the answers

    What is a fundamental niche?

    <p>The resources and habitat that a species could theoretically use</p> Signup and view all the answers

    What is a realized niche?

    <p>The resources and habitat that a species is actually able to use</p> Signup and view all the answers

    In the example of the schooling Anchovies being hunted by the Bluefin Trevally, what process affects population density?

    <p>Predation</p> Signup and view all the answers

    Study Notes

    Population Dynamics

    • The hunting of schooling Anchovies by Bluefin Trevally reduces the population density of the Anchovies, exemplifying the predation process.
    • Predation can influence population dynamics by controlling prey numbers, impacting their distribution and resource availability.

    Niche Definitions

    • A fundamental niche refers to the potential impact of an organism's role in an ecosystem, encompassing all environmental conditions under which it can survive and reproduce.
    • A realized niche represents the actual conditions and resources a species uses, influenced by competition, predation, and other ecological interactions.

    Niche Restrictions

    • Niches are restricted by various factors including competition, environmental conditions, and availability of resources.
    • Interspecific competition occurs when two species compete for the same limited resources, thereby limiting the niche of one or both species.

    Natural Selection

    • Natural selection is a process that can lead to the evolution of species by favoring individuals with advantageous traits that improve survival and reproduction.
    • It shapes ecological niches by influencing the traits that define a species' interaction with its environment.

    Ecological Niches Overview

    • The concept of ecological niches encompasses the role and position a species has within its environment, including interactions with biotic and abiotic factors.
    • Niches can define what resources a species utilizes, how it interacts with other organisms, and its habitat preferences.

    Main Factors Restricting Niches

    • The primary factor that restricts niches often includes competition for limited resources that creates limitations on species’ distributions and interactions within habitats.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Related Documents

    B 4.2 Ecological Niches PDF

    Description

    Test your knowledge on ecological niches and population dynamics with this quiz. Learn about the impact of predation on population density using real-life examples, such as fish populations.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser