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Questions and Answers
What is the definition of an ecosystem?
What is the definition of an ecosystem?
- A community of living and non-living components interacting with each other in a specific environment (correct)
- A group of living organisms that share the same habitat
- A type of biodiversity found in a specific region
- A type of species that is commonly found in a specific ecosystem
Which of the following is an example of a terrestrial ecosystem?
Which of the following is an example of a terrestrial ecosystem?
- Estuaries
- Forests (correct)
- Coral reefs
- Rivers
What is the definition of biodiversity?
What is the definition of biodiversity?
- The variety of genes within a species
- The number of different ecosystems in a region
- The importance of ecosystems in supporting human life
- The variety of different species of plants, animals, and microorganisms (correct)
What is one of the importance of biodiversity?
What is one of the importance of biodiversity?
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What is a threat to biodiversity?
What is a threat to biodiversity?
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What type of biodiversity refers to the variety of genes within a species?
What type of biodiversity refers to the variety of genes within a species?
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What type of ecosystem is characterized by low temperatures and limited vegetation?
What type of ecosystem is characterized by low temperatures and limited vegetation?
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Study Notes
Ecosystems
- Definition: A community of living (biotic) and non-living (abiotic) components interacting with each other in a specific environment.
- Components:
- Biotic factors: plants, animals, microorganisms
- Abiotic factors: light, temperature, water, soil, air
- Types of ecosystems:
- Terrestrial: forests, grasslands, deserts
- Freshwater: rivers, lakes, wetlands
- Marine: coral reefs, estuaries, open ocean
- Arctic/Antarctic: tundra, ice sheets
Biodiversity
- Definition: The variety of different species of plants, animals, and microorganisms that live in an ecosystem or on Earth as a whole.
- Types of biodiversity:
- Genetic diversity: variety of genes within a species
- Species diversity: number of different species in an ecosystem
- Ecosystem diversity: variety of ecosystems in a region
- Importance of biodiversity:
- Maintains ecosystem services: pollination, pest control, climate regulation
- Provides medicinal and food resources
- Supports human well-being and quality of life
- Threats to biodiversity:
- Habitat destruction and fragmentation
- Climate change
- Overexploitation of resources
- Invasive species
- Pollution
Ecosystems
- A community of living and non-living components interacting in a specific environment
- Components include biotic factors: plants, animals, microorganisms
- Abiotic factors: light, temperature, water, soil, air
Types of Ecosystems
- Terrestrial: forests, grasslands, deserts
- Freshwater: rivers, lakes, wetlands
- Marine: coral reefs, estuaries, open ocean
- Arctic/Antarctic: tundra, ice sheets
Biodiversity
- Variety of different species of plants, animals, and microorganisms in an ecosystem or on Earth
- Types of biodiversity include:
- Genetic diversity: variety of genes within a species
- Species diversity: number of different species in an ecosystem
- Ecosystem diversity: variety of ecosystems in a region
Importance of Biodiversity
- Maintains ecosystem services: pollination, pest control, climate regulation
- Provides medicinal and food resources
- Supports human well-being and quality of life
Threats to Biodiversity
- Habitat destruction and fragmentation
- Climate change
- Overexploitation of resources
- Invasive species
- Pollution
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