Flashcards in Final Exam Deck (60):
Founder of the Theory of Evolution
Evolution happens because of natural selection
Theory of Evolution
Other Factors that effect ecosystems but arent climate factors
Geomophic. Soil Conditions, Disturbances (floods, forest fires, volcanos, and high winds)
Climate factors effecting Ecosystems.
Ecosystems are __________ without human interactions
balenced (even amount of predator/prey)
"Can't live without ya"
The variety of biological life supported by the Earth's biosphere or within a region
________ oil is devasting the environment
Bad, Kills everything
Texas Water Law
Law of the biggest well
National water law company
Texas water law company
#1 problem with water polution
Problem with water pollution is number of people __________, while the water supply _________.
Increase; Stays the same
Problem with DDT
Killed bugs but ruined the ecosystem.
Who was Rachael Carson?
Wrote Silent Spring which discovered the truth about DDT
How organisms interact within their environment
Who was "Lord of the Ants"
Study of the distribution patterns of organisms over space and time and of the processes that produced these patterns
A collection of organisms and the environment with which they interact
All living organisms in an area
The dry weight of living organic matter in an ecosystem within a specific surface area
Most productive ecosystem
Why is the Nitrogen Cycle so important?
necesary for photosynthesis
Nitrogen is __% of air
What theory did Ed Wilson create that made such a public uproar
Freshwater makes up only ___% of the Earth's water
More than 97% of the Earth's water is _____ water contained in the oceans.
The subsurface water in the saturated zone that can move as part of the hydrologic cycle
Absorption and downward movement of precipitation into the soil and regolith
The flow of water leaving an area through surface, or ground water flow
The combined effect of evaporation and transpiration through plants
The upper limit of the body of ground water marking the boundary between the saturated and unsaturated zones
A layer of rock or sediment that contains abundant freely flowing ground water
Where the water hits the cavern flow, the deposits form upward-pointing formation called a
Underground caverns near the surface can collapse to form surface depressions, or __________
cone of depression
Removing water from underlying sediments can also cause _______, or sinking of the landscape.
A branched network of stream channels and adjacent land slopes that converge to a single channel at the outlet
The outline of streams draining a region often falls into a particular _________ ___________ that depends on the underlying rock structure.
A long narrow body of flowing water moving along a channel to lower levels under the force of gravity
A broad belt of low, flat ground bordering a river channel that floods reguarly
A body of standing water without an appreciable gradient or current
Process that separates fresh water from sea water
The fundamental levels through which energy flows through an ecosystem as the organisms at each level consume energy from the bodies of organisms in the level below
The position an organism occupies within a food web
A more complete picture of energy flow through an ecosystem is a ________ _____, which shows all the energy flow links among species in an ecosystem.
The production of carbohydrates from water and carbon dioxide, using light energy and releasing oxygen.
The biogeochemical cycle in which carbon moves through the biosphere, hydrosphere, atmosphere, and lithosphere
A subdivision of the environment according to the needs and preferences of organisms or groups of organisms
A close, coexisting interaction between species that is beneficial to at least one of the species and usually does not harm the other
__________ is a type of symbiotic relationship in which one species gains nutrition from another.
A sequence of distinctive plant and animal communities that first colonize and then replace each preceding stage, leading to a stable mature forested community, often after clearance by burning, clear cutting, or other agents.
The variety of biological life supported by the earth's biosphere or within a region
The creation of diversity of life-forms through the process of natural selection
The selection of organisms by their survival in the environment in a process similar to selection of plants or animals by breeders
A collection of individual organisms that are capable of interbreeding to produce fertile offspring
Most organisms can move from their home territory to new sites in a process called __________.
A _______ is a collection of closely related species that share a similar evolutionary history.