Ecosystem Services and Biodiversity Quiz
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Questions and Answers

Which of the following best defines supporting services in an ecosystem?

  • Services that provide cultural and recreational benefits.
  • Services that regulate environmental conditions.
  • Services that directly supply resources to humans.
  • Services that maintain the conditions for life within ecosystems. (correct)

What characterizes K-selected species?

  • They produce many offspring with low parental care.
  • They thrive in unstable environments.
  • They tend to have longer lifespans with high parental investment. (correct)
  • They are typically found in quickly changing habitats.

Which of the following directly results from habitat fragmentation?

  • An increase in species diversity within habitats.
  • Expansion of species ranges across ecosystems.
  • Greater population stability among species.
  • The formation of edge effects. (correct)

What does the 10% rule refer to in ecology?

<p>The percentage of energy that is transferred between trophic levels. (A)</p> Signup and view all the answers

Which of the following describes a pioneer species?

<p>Species that are first to colonize previously disrupted or damaged ecosystems. (D)</p> Signup and view all the answers

Which type of species is typically more adaptable to changing environments and often has a broader niche?

<p>Generalist Species (B)</p> Signup and view all the answers

What is the main consequence of a population bottleneck in an ecosystem?

<p>A reduction in population size and genetic variation (D)</p> Signup and view all the answers

What best describes the edge effect in fragmented habitats?

<p>An increase in species diversity near the edges due to new resources (B)</p> Signup and view all the answers

Which of the following biomes is characterized by low rainfall and extreme temperature variations between day and night?

<p>Desert (D)</p> Signup and view all the answers

Which type of succession occurs after a significant disturbance that does not eliminate the soil?

<p>Secondary Succession (D)</p> Signup and view all the answers

Flashcards

Carrying Capacity

The maximum population size that an environment can sustainably support.

Biodiversity

The variety of life on Earth at all its levels, from genes to ecosystems.

Trophic Cascade

A series of changes in the population sizes of organisms at different trophic levels, triggered by a change at one trophic level.

Ecosystem Services

The benefits people obtain from ecosystems.

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Species Diversity

The number of different species and their relative abundance in a given area.

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Soil Texture Triangle

A diagram that helps determine soil texture based on the percentage of sand, silt, and clay particles.

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Habitat Fragmentation

The division of a continuous habitat into smaller, isolated patches, often caused by human activities like deforestation or road construction.

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Edge Effect

The increased biodiversity and abundance of species found in the transition zone between two different habitats.

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Trophic Level

The position an organism occupies in a food chain or food web, based on its feeding relationships.

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Biomass

The total mass of living organisms in a given area.

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Study Notes

Ecosystem Services

  • Ecosystem services include provisioning, regulating, supporting, and cultural services.

Soil Properties

  • Soil texture is a pyramid.
  • Soil has horizons.
  • Carrying capacity is a concept.
  • Habitat fragmentation occurs.
  • Edge effect is a phenomenon.

Biodiversity

  • Biodiversity includes genetic, species, and ecosystem diversity.
  • Population bottlenecks and founder effects exist.

Terrestrial Biomes

  • Terrestrial biomes include Taiga/Boreal Forest, Temperate Rainforest, Temperate Seasonal Forest, Tropical Rainforest, Shrubland/Woodland/Chaparral, Temperate Grassland, Savanna, Tropical Seasonal Forest, Desert, and Tundra.

Species Interactions

  • Generalist species exist.
  • Specialist species exist.
  • Invasive species exist.
  • Keystone species are important.
  • Trophic cascades occur.
  • Trophic levels exist.
  • Biomass is a measure.
  • The 10% rule describes energy transfer.

Primary Productivity

  • Primary productivity is a measure.
  • Gross primary productivity exists.
  • Net primary productivity is a measure.
  • Ecological Succession is an important concept.
  • Primary succession and secondary succession are different types.
  • Pioneer species are early colonists.
  • Climax community is a stable community.
  • R-selected species characteristics include.
  • K-selected species characteristics include.

Survivorship Curves

  • Type I, Type II, and Type III survivorship curves exist.

Feedback Loops

  • Positive and negative feedback loops exist.

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Description

Test your knowledge on ecosystem services, soil properties, biodiversity, and terrestrial biomes. This quiz also covers species interactions and primary productivity, providing a comprehensive overview of ecological concepts. Perfect for students of environmental science.

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