Ecosystems Overview
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Questions and Answers

What is the primary function of decomposers in an ecosystem?

  • To convert sunlight into energy through photosynthesis
  • To break down organic matter into simpler compounds (correct)
  • To consume other organisms for energy
  • To produce nutrients for other organisms
  • Which type of ecosystem service involves the provision of food, water, and wood?

  • Provisioning Services (correct)
  • Cultural Services
  • Regulating Services
  • Supporting Services
  • What is the result of habitat destruction in an ecosystem?

  • An introduction of invasive species
  • A loss of natural habitats (correct)
  • A decrease in population size
  • An increase in biodiversity
  • What is the role of producers in an ecosystem?

    <p>To convert sunlight into energy through photosynthesis</p> Signup and view all the answers

    Which type of ecosystem is characterized by coral reefs, estuaries, and open ocean?

    <p>Marine Ecosystems</p> Signup and view all the answers

    What is a consequence of climate change on ecosystems?

    <p>An alteration of ecosystem processes and species distributions</p> Signup and view all the answers

    Study Notes

    Ecosystems

    Definition

    • An ecosystem is a community of living and non-living components interacting with each other in a specific environment

    Components of an Ecosystem

    • Biotic Factors:
      • Producers (plants, algae, phytoplankton): convert sunlight into energy through photosynthesis
      • Consumers (herbivores, carnivores, omnivores): obtain energy by consuming other organisms
      • Decomposers (bacteria, fungi): break down organic matter into simpler compounds
    • Abiotic Factors:
      • Light
      • Temperature
      • Water
      • Soil
      • Air
      • Nutrients

    Energy Flow in Ecosystems

    • Producers convert sunlight into energy through photosynthesis
    • Herbivores feed on producers
    • Carnivores feed on herbivores
    • Omnivores feed on both producers and herbivores
    • Decomposers break down dead organic matter, releasing nutrients back into the ecosystem

    Ecosystem Services

    • Supporting Services: nutrient cycling, soil formation, primary production
    • Provisioning Services: food, water, wood, medicinal resources
    • Regulating Services: climate regulation, air and water purification, pest control
    • Cultural Services: recreation, tourism, spiritual enrichment

    Types of Ecosystems

    • Terrestrial Ecosystems: forests, grasslands, deserts
    • Freshwater Ecosystems: rivers, lakes, wetlands
    • Marine Ecosystems: coral reefs, estuaries, open ocean
    • Arctic/Antarctic Ecosystems: tundra, ice sheets

    Ecosystem Disruption

    • Habitat Destruction: human activities leading to loss of natural habitats
    • Invasive Species: non-native species outcompeting native species for resources
    • Climate Change: altering ecosystem processes and species distributions

    Conservation Efforts

    • Protected Areas: national parks, wildlife reserves, conservation areas
    • Sustainable Resource Management: responsible forestry, fishing, and agriculture practices
    • Ecological Restoration: rehabilitating damaged or degraded ecosystems

    Ecosystem Definition

    • An ecosystem is a community of living and non-living components interacting with each other in a specific environment

    Components of an Ecosystem

    • Biotic Factors: living components of an ecosystem
      • Producers (plants, algae, phytoplankton): convert sunlight into energy through photosynthesis
      • Consumers (herbivores, carnivores, omnivores): obtain energy by consuming other organisms
      • Decomposers (bacteria, fungi): break down organic matter into simpler compounds
    • Abiotic Factors: non-living components of an ecosystem
      • Light
      • Temperature
      • Water
      • Soil
      • Air
      • Nutrients

    Energy Flow in Ecosystems

    • Producers convert sunlight into energy through photosynthesis
    • Herbivores feed on producers
    • Carnivores feed on herbivores
    • Omnivores feed on both producers and herbivores
    • Decomposers break down dead organic matter, releasing nutrients back into the ecosystem

    Ecosystem Services

    • Supporting Services: nutrient cycling, soil formation, primary production
    • Provisioning Services: food, water, wood, medicinal resources
    • Regulating Services: climate regulation, air and water purification, pest control
    • Cultural Services: recreation, tourism, spiritual enrichment

    Types of Ecosystems

    • Terrestrial Ecosystems: forests, grasslands, deserts
    • Freshwater Ecosystems: rivers, lakes, wetlands
    • Marine Ecosystems: coral reefs, estuaries, open ocean
    • Arctic/Antarctic Ecosystems: tundra, ice sheets

    Ecosystem Disruption

    • Habitat Destruction: human activities leading to loss of natural habitats
    • Invasive Species: non-native species outcompeting native species for resources
    • Climate Change: altering ecosystem processes and species distributions

    Conservation Efforts

    • Protected Areas: national parks, wildlife reserves, conservation areas
    • Sustainable Resource Management: responsible forestry, fishing, and agriculture practices
    • Ecological Restoration: rehabilitating damaged or degraded ecosystems

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    Description

    Learn about the components of an ecosystem, including biotic and abiotic factors, and how they interact with each other in a specific environment.

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