Which of the following is a measure of the biodiversity of an ecosystem?
The total number of individuals of a single animal species
The soil depth at which burrowing insects are located
The density of individuals in a hectare
The total number of different plant species
The diagram shows how a patch of habitat could possibly be altered.
Which of the following would be most likely to occur in the scenarios that have experienced habitat loss and/or fragmentation in the diagram?
Decrease in the number of specialist species
Decrease in the abundance of invasive species
Increase in genetic diversity of native species
Increase in territory size of large mammals
Which of the following best describes a supporting ecological service provided by wetlands?
Wetlands serve as a source of aesthetic inspiration for art and literature
Wetlands provide opportunities for ecotourism, which provides revenue to the local economy
Wetlands provide a habitat for a wide variety of organisms
Wetlands serve as a major reservoir for nitrogen in the nitrogen cycle
Highly specialized species tend to evolve on islands because of the environmental conditions and resource availability.
Based on the theory of island biogeography, which of the following would most likely experience the greatest decline of specialist species if an invasive species emigrated from the mainland?
A large island in close proximity to the mainland
A small island a far distance from the mainland
A large island a far distance from the mainland
A small island in close proximity to the mainland
Which of the following would be categorized as a cultural ecosystem service of forests?