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Questions and Answers
Which of the following statements is true about species richness and ecosystem health?
Which of the following statements is true about species richness and ecosystem health?
- Species richness is important for ecosystem health. (correct)
- Species richness is only important for the survival of humans.
- Species richness is not important for the survival of humans.
- Species richness has no impact on ecosystem health.
Why is rich biodiversity important for the survival of the human race?
Why is rich biodiversity important for the survival of the human race?
- Rich biodiversity is essential for ecosystem health. (correct)
- It is not important for the survival of humans.
- Rich biodiversity provides aesthetic value.
- Rich biodiversity increases the number of available resources.
What is the potential consequence of losing a species in an ecosystem?
What is the potential consequence of losing a species in an ecosystem?
- No impact on ecosystem functionality.
- Increased functionality of the ecosystem.
- Improved quality of life for humans.
- Decreased functionality of the ecosystem. (correct)
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Study Notes
Species Richness and Ecosystem Health
- High species richness is often an indicator of a healthy ecosystem.
- A decrease in species richness can indicate ecosystem degradation or disruption.
Importance of Biodiversity for Human Survival
- Rich biodiversity is crucial for the survival of the human race because it provides ecosystem services essential for human well-being, such as:
- Clean air and water
- Soil formation and nutrient cycling
- Climate regulation
- Food and medicine
- Loss of biodiversity can lead to the collapse of these ecosystem services, compromising human health and livelihoods.
Consequences of Losing a Species
- The potential consequence of losing a species in an ecosystem is a ripple effect throughout the food chain, potentially leading to:
- Disruptions to nutrient cycles and ecosystem processes
- Changes in population dynamics of other species
- Decreased ecosystem resilience and increased vulnerability to invasive species and disease outbreaks
- Loss of ecological integrity and function
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