18 Questions
Which part of the airplane ecosystem is compared to a species in the text?
Rivets
What happens to flight safety as more rivets are removed?
It becomes dangerously weak
Which part of the airplane ecosystem is mentioned as a key species that drives major ecosystem functions?
Rivets on the wings
What is the consequence of losing rivets on the wings compared to losing rivets on the seats or windows?
More serious threat to flight safety
What is the purpose of rivets in an airplane ecosystem?
To strengthen the plane
What is the effect of passengers popping rivets in the airplane ecosystem initially?
No effect
What is the long-term effect of more and more rivets being removed from the airplane ecosystem?
Dangerous weakening of the plane
What is the significance of the specific rivets being removed in the airplane ecosystem?
More serious threat to flight safety
What is the analogy being made between the airplane ecosystem and a natural ecosystem?
They both become weak over time
Which attribute is NOT linked to species richness in a community?
Total biomass
What did David Tilman's long-term ecosystem experiments show?
Increased diversity leads to higher productivity
What is the main reason why rich biodiversity is essential for ecosystem health?
It contributes to stability and resistance to disturbances
What is stability for a biological community?
Resistance to disturbances
What did ecologists believe for many decades regarding communities with more species?
They tend to be more stable
What did David Tilman's experiments show regarding year-to-year variation in total biomass?
Plots with more species showed less variation
What is the main reason why rich biodiversity is imperative for the survival of the human race?
It ensures the well-being of ecosystems
What is the 'rivet popper hypothesis' used by Paul Ehrlich?
An analogy to develop a perspective on the importance of species richness
What is the main concern when a few species become extinct?
The impact on the functionality of ecosystems
Test your knowledge on the relationship between species diversity and ecosystem functioning with this quiz. Explore the concept of community stability and discover whether more species truly contribute to a stable biological community.
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