Biosphere Energy Flow: Autotrophs and Heterotrophs
30 Questions
0 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

What is the term for the space where an animal lives?

  • Niche
  • Habitat (correct)
  • Resource
  • Environment

    • What is the purpose of gene flow in a population?

  • To prevent speciation (correct)
  • To reduce population size
  • To decrease population density
  • To increase competition

    • What is the difference between the fundamental and realized niche?

  • The fundamental niche is unrelated to the realized niche
  • The fundamental niche is larger than the realized niche (correct)
  • The fundamental niche is smaller than the realized niche
  • The fundamental niche is the same as the realized niche

    • What is the term for the study of populations in relation to the environment?

    <p>Population ecology</p> Signup and view all the answers

    What is the characteristic of a generalist species?

    <p>Can withstand a variety of environmental conditions</p> Signup and view all the answers

    What is the primary focus of community ecology?

    <p>The interactions among various populations in a community</p> Signup and view all the answers

    What is the effect of abiotic limiting factors on population density?

    <p>The effect does not change with population density</p> Signup and view all the answers

    What is the term for the unique multidimensional relationship of a species with its environment?

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

    What type of interaction has a negative effect on both populations?

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

    What is the term for a group of individuals of the same age in a population?

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

    What type of interaction is beneficial for one population and neutral for the other?

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

    What type of limiting factor acts in a density-dependent way?

    <p>Biotic factors</p> Signup and view all the answers

    What is the term for the process where toxins become more concentrated in higher trophic levels of a food web?

    <p>Biological magnification</p> Signup and view all the answers

    What is the main purpose of pyramids of production in a food chain?

    <p>To represent the loss of energy with each transfer</p> Signup and view all the answers

    What type of diversity refers to the variety of species in an ecosystem or throughout the biosphere?

    <p>Species diversity</p> Signup and view all the answers

    What is the term for the cycling of matter through an ecosystem involving both biotic and abiotic components?

    <p>Biogeochemical cycles</p> Signup and view all the answers

    What is the main reason why toxins are harmful in an ecosystem?

    <p>They become more concentrated in higher trophic levels</p> Signup and view all the answers

    What is the definition of an endangered species?

    <p>A species that is in danger of becoming extinct throughout its range</p> Signup and view all the answers

    What is the primary role of autotrophs in the biosphere?

    <p>To produce food through photosynthesis</p> Signup and view all the answers

    What is the term used to describe organisms that rely on other organisms for their energy and food supply?

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

    What type of consumer feeds on plant and animal remains?

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

    What is the direction of energy flow in an ecosystem?

    <p>From autotrophs to heterotrophs</p> Signup and view all the answers

    What is the percentage of energy available in one trophic level that is passed to organisms in the next trophic level?

    <p>10%</p> Signup and view all the answers

    What occurs when two or more species share a limiting resource?

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

    What is the term used to describe a network of complex feeding relationships among the various organisms in an ecosystem?

    <p>Food Web</p> Signup and view all the answers

    What is the outcome when two species have exactly the same niche?

    <p>One species will drive the other out</p> Signup and view all the answers

    What is the term for species that exploit a resource in a similar way?

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

    What type of coloration makes prey difficult to spot?

    <p>Cryptic coloration</p> Signup and view all the answers

    What is the term for an interaction where one species kills and eats the other?

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

    What is the purpose of aposematic coloration?

    <p>To warn predators to stay away</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser