Exam 5 Review Flashcards
Subspecies are populations of species that occur in different areas and differ slightly from each other.
True
Biodiversity decreases the stability and resilience of communities and ecosystems
False
Conservation biologists use particular species as tools to conserve communities and ecosystems
True
Human society can function without biodiversity’s benefits.
False
Biodiversity hotspots are areas that support a high number of species
True
Biodiversity
Sum total of all organisms in an area
Species diversity
The number of variety of species in the world or in a particular region
Genetic diversity
The difference in DNA among individuals within species and populations
Ecosystem diversity
The number and variety of ecosystems
Inbreeding depression
Genetically similar parents mate and produce defective offspring
Biodiversity _________.
Increase toward the equator
The most important reason for decreased biodiversity is __________.
Habitat destruction
The Dodo is ________.
Extinct
Hot spots are regions of high _________.
Endemism
Endemic species are _________.
Species localized in a specific area
Species richness means __________.
Number of species per unit area
Conservation biology is concerned with _________.
Factors that influence the loss, protection, and restoration of biodiversity
What ethical principle is supported by conservation biology?
Biodiversity is desirable for all living things including humans, Extinctions due to human actions are undesirable, and biodiversity has value unto itself
Why is biodiversity valuable and desirable to humans?
For medicinal purposes, for agricultural diversity, and for consumptive use
Biophilia is _________.
Connections that humans subconsciously use
