Populations
What are r-selected species?
Animal that produce more offspring
What can overfishing lead to?
Fishery collapse
What is competition?
Organism fighting over a resource
What kind of irrigation method delivers water directly to the root of the plants?
What are pests?
Any organism that negatively affects humans, or are unwanted
Generalists
What is the tragedy of the commons?
The tendency of a shared, limited resource to become depleted if it is not regulated in some way
What is predation?
One organism using another for energy source
Which type of irrigation can waterlog soil and drown plants?
What are pesticides?
Chemicals that are toxic to pests
What does a survivorship curve show?
Death patterns
Private land ownership, fees, taxes, or laws
What is a biome?
Large area with similar climate conditions that determine plant and animal species there
1/4 or less of this irrigation method is lost to evaporation or runoff
Spray irrigation
What is a problem with pesticides?
Injure or kill non-target species, pollute ground or surface waters, or toxic to workers
What is carrying capacity?
The maximum population size an environment can support
What is sustainability?
Managing and protecting the Earth's natural resources, ecosystems, climate, and atmosphere for current and future generations
What is the difference between mutualism and commensalism?
Mutualism is the relationship that benefits both organism, while commensalism benefits only one organism & doesn't impact that other
What is soil salinization?
The process of salt building up soil over time
What are GMOs?
Genetically Modified Organisms
What is the bottleneck effect?
A sudden reduction in a population's size caused by an environmental event or human activity
What is an Ecological Footprint?
The total amount of land required to support a person's or country's activities
What is symbiosis?
Any close and long-term interaction between two organism of different species
What are the three types of human water use?
Industrial, municipal, and agriculture
Can pests become resistant to pesticides?
Yes