Biodiversity
How different the genes are of individuals within a population (group of the same species) refers to...
genetic diversity
What are the four types of ecosystem services?
Supporting, regulating, cultural, provisioning
a new trait that increases an organism’s fitness (ability to survive and reproduce) is known as...
adaptation
TRUE or FALSE: a habitat that has greater biodiversity has less of a chance of recovering after a natural disruption.
FALSE- greater chance
human practices such as hunting, overfishing, and deforestation are the leading causes of _________.
the ability of an ecosystem to return to its original conditions after a major disturbance (wind storm, fire, flood, clear-cutting, etc.) is known as...
resilience
ecosystem services that describe the material or energy outputs from ecosystems is known as which ecosystem service?
provisioning
Adaptations ________ an organisms fitness.
The type of disturbance that occurs occasionally with regular frequency. (Ex: wet and dry season in the Savannas of Africa)
periodic
The theory of _________ states that the size of an island and its distance from the mainline will determine it's biodiversity
Island biogeography
the total number of different species found in an ecosystem
species richness
Habitats for species and maintenance of genetic diversity are examples of which ecosystem service?
supporting
organisms that are better adapted to their env. survive and reproduce more offspring is known as...
natural selection
Wildfires are examples of which type of succession?
secondary
If one species makes up a large portion of the diversity in an ecosystem, it can be said that the ecosystem has low ____________.
evenness
What are the three types of biodiversity?
genetic, species, ecosystem
Goods and services provided by natural ecosystems that are beneficial to humans (often monetarily or life-sustaining) is known as ...
ecosystem services
What are the three stages of succession?
pioneer (early), mid-successional, late successional
Name four examples of natural disturbances
tornados, forest fires, hurricanes, asteroids, drought
A county with many different types of habitat is said to have a high degree of what?
habitat diversity
Low genetic biodiversity leads to..
inbreeding depression
What is at least one ecosystem service that intact forest ecosystems provide for humans?
Answers may vary
Occurs in an area that already has established soil, but has had most plant life removed by a disturbance
secondary succession
What are the three time frames in which natural disturbances can occur?
periodic, epispodic, and random
starts from bare rock in an area with no previous soil formation