Unit 2 Biodiversity Flashcards
Three levels of biodiversity
Genetic, species, habitat
Why is it better for a population to be more diverse?
The better the species is to be susceptibility to bottleneck events.
Ecosystems that have a larger number of species are…
More likely to recover from disruptions
Loss of habitat leads to…
loss of a specialist species.
Species richness (r)
number of different species found in an ecosystem.
Categories of ecosystem services
provisioning, regulating, cultural, and supporting.
What activities can lead to disruption of ecosystem services
Human acitivty
Island species have evolved to be generalist or specialist species?
Specialist because of limited resources.
Ecological Tolerance are the range of conditions such as
Temp, salinity, flow rate, and sunlight
Two main types of ecological succession
Primary and secondary
Primary succession
After a volcanic eruption, small plants and shrubs
.
;
Keystone species
Species that have a significant role in community structure.
Indicator species
animals that represent measure of environmental conditions.
Pioneer members
early successional species that moved to unoccupied habitat and adapt to conditions
