Podcast
Questions and Answers
What is a characteristic of areas with high species richness?
What is a characteristic of areas with high species richness?
- Environments that are helpful for a large number of species (correct)
- Ecosystems with low biodiversity
- Areas with low species evenness
- Harsh environments that support only a few species
What happens to species evenness when relative abundances vary?
What happens to species evenness when relative abundances vary?
- It becomes infinite
- It approaches zero (correct)
- It remains unchanged
- It increases
What can occur in an ecosystem with high species richness?
What can occur in an ecosystem with high species richness?
- Low species evenness (correct)
- Only one species can exist
- No species extinction
- High species evenness
What is the result of extinction of even one species in an ecosystem?
What is the result of extinction of even one species in an ecosystem?
What is ecosystem diversity?
What is ecosystem diversity?
What percentage of original natural vegetation must be threatened for an area to be considered a biodiversity hotspot?
What percentage of original natural vegetation must be threatened for an area to be considered a biodiversity hotspot?
What is the primary role of plants in food webs?
What is the primary role of plants in food webs?
What is a characteristic of a biological community?
What is a characteristic of a biological community?
What is the significance of biodiversity hotspots in terms of human survival?
What is the significance of biodiversity hotspots in terms of human survival?
Why do animals tend to inhabit areas with high plant diversity?
Why do animals tend to inhabit areas with high plant diversity?
What percentage of the Earth's land surface is represented by biodiversity hotspots?
What percentage of the Earth's land surface is represented by biodiversity hotspots?
Why do maps of biodiversity hotspots tend to overlap with maps of natural places that benefit people?
Why do maps of biodiversity hotspots tend to overlap with maps of natural places that benefit people?
What is the approximate number of identified species on earth?
What is the approximate number of identified species on earth?
What is the primary benefit of biodiversity in terms of resource use?
What is the primary benefit of biodiversity in terms of resource use?
What is the estimated percentage of species that have become extinct since the beginning of life on earth?
What is the estimated percentage of species that have become extinct since the beginning of life on earth?
What is the primary reason for the importance of preserving biodiversity?
What is the primary reason for the importance of preserving biodiversity?
What are the three levels of diversity?
What are the three levels of diversity?
What is the approximate number of insects among the identified species?
What is the approximate number of insects among the identified species?
