Principles of Ecology
non living factors in an environment
abiotic
tundra, boreal forest, temperate forest, grassland, desert, savanna, tropical forest and polar regions
3 population characteristics are population density, spatial distribution and
What is growth rate
Variety of life in an area
What is biodiversity?
A resource that can be replenished in your life time for example trees and water.
A renewable resource
living factors in an environment
biotic factors
How does latitude effect climate?
Number of individuals coming into an environment
What is immigration
3 types of biodiversity are genetic diversity, species diversity and
Ecosystem diversity
A resource that takes millions of years to replenish like oil, coal and fossil fuels
What is a nonrenewable resource
biospere
material that is deposited by water, wind or glaciers
what is sediment?
Number of individuals leaving an environment
extinction rates, natural resources, overexploitation, habitat loss and pollution
What is a way we try and help ecosystems
bioremediation, biological augmentation, laws, corridors between habitats
a model more complex than a food chain that shows feeding relationships
what is a food web
Average weather conditions in an area is called
what is climate
Maximum number of individuals an environment can support is called
What is carrying capacity
A species that is not native to the area that has been introduced and is taking up all the resources
What is an invasive species
What is sustainable use?
resource rate can be replaced or recycled while preserving the environment
Name a cycle in the biosphere
water, carbon and oxygen, nitrogen, and phosphrous
Zone in the the open ocean that allows light to pass through.
What is the photic zone
factors such as competition for resources, predation and disease
what are density dependent factors
An event in which a large percentage of all living species become extinct
What is mass extinction
Define a hot spot
locations around the world where certain species are only found in large numbers