Term
Temperature is increasing faster at the _______ _______ than at its equator |
|
Definition
|
|
Term
Climate change can shorten or ______________ of crops and therefore affect the ____________ _____ ________ ____________. |
|
Definition
Livelihoods of area farmers. |
|
|
Term
________ __________ provide a way to measure biological and atmospheric conditions from the distant past. |
|
Definition
|
|
Term
______ ___ ________ representing a time frame covering thousands of years can be extracted from glaciers. |
|
Definition
|
|
Term
_______ _______ present in the ice reveal the atmospheric composition thousands of years ago. |
|
Definition
|
|
Term
How are present day carbon dioxide levels are measured? |
|
Definition
|
|
Term
|
Definition
describes the movement of carbon atoms between organic molecules and inorganic CO2 via natural processes. |
|
|
Term
|
Definition
Carbon dioxide Methane Nitrous Oxide |
|
|
Term
What are the role of greenhouse gases to global warming? |
|
Definition
They absorb some of the radiated heat, keeping the atmosphere and the surface o the earth warm. |
|
|
Term
What human activities are increasing the levels of greenhouse gases? |
|
Definition
Burning Fossil Fuels Methane from Cattle Deforestation Rice Agriculture Concrete Production |
|
|
Term
How are historic carbon dioxide levels measured? |
|
Definition
In glacial Ice Cores: they contain layers of ice harboring gas bubbles. |
|
|
Term
|
Definition
|
|
Term
|
Definition
contains most of atmospheric gases |
|
|
Term
Ozone Depleting Substances: Accounting for 80% of total stratospheric ozone depletion. |
|
Definition
Chlorofluorocarbons Methyl Chloroform Carbon Tetrachloride Hydrofluorocarbons (HCFCs) |
|
|
Term
|
Definition
From organisms to the soil, water, and air and back to organisms. |
|
|
Term
|
Definition
Primarily through soil, water, and organisms. |
|
|
Term
|
Definition
Primary producers-photosynthesis Primary consumers-herbivores Secondary consumers-carnivores Tertiary consumers- carnivorous carnivores Detritivores- Decomposers |
|
|
Term
|
Definition
Carbon fixed by photosynthesis |
|
|
Term
Gross primary productivity |
|
Definition
Total carbon fixed/ unit time (Total material produced through photosynthesis) |
|
|
Term
|
Definition
Carbon fixed minus carbon lost through cellular respiration. (amount of material plant accumulates) |
|
|
Term
|
Definition
Top - Quaternary Consumers (eat tertiary consumers) Tertiary Consumers (eat secondary consumers) Secondary Consumers (eat primary consumers) Primary Consumers (eat producers) Producers (plants) |
|
|
Term
|
Definition
Warned that the use of pesticides such as DDT was causing population declines in many non-target organisms. (1962) |
|
|
Term
Percentage of Fresh Water and Salt Water |
|
Definition
|
|
Term
What does aquifers store? |
|
Definition
|
|
Term
Earth;s Tilt and the Seasons |
|
Definition
Vernal equinox (March 21-22) Winter Solstice (December 21-22 Autumnal Equinox (September 22-23) Summer Solstice (June 21-22) |
|
|
Term
|
Definition
Desert, coniferous forest, tundra, temperate Deciduous forest, tropical forest, grassland, aquatic marine, aquatic freshwater |
|
|
Term
Why are ecosystems dynamic? |
|
Definition
Because the biotic and abiotic parts of an ecosystem can and do change, ecosystems are not static entities. |
|
|