Term
|
Definition
| the scientific study of relationships between organsims and their environment |
|
|
Term
|
Definition
| is the matieral of which things are made . essebtuak cinstutent of both the univers and living organsims |
|
|
Term
|
Definition
the principle that matter is transformed and combined in different ways but it doesnt disappear. |
|
|
Term
|
Definition
| is the capacity to do work syuch as mvoing matter over a distance. many different forms including heat, light, electricity and chemical energy |
|
|
Term
|
Definition
| energy contained in moving objects |
|
|
Term
|
Definition
| energy that is latend but available for use. ex. a rock poised at the top of a hill |
|
|
Term
|
Definition
the study of how energy is transferred, its rates of flow and transformation from one form or quailitly to another. is complex, quantitative discipline |
|
|
Term
| first law of thermodynamics |
|
Definition
law states that energy is conserved: it is neither created nor destroyed underal normal conditions. it can be transfered or transformed but the total amount of energy remains the same |
|
|
Term
| second law of thermodynamics |
|
Definition
| with each successive energy transfer or transformation is a system, less energy is avaiable to do work. total amount remains the same but its intensity and usefulness deteriorate |
|
|
Term
|
Definition
| is the smallest particle that are tiny units of matter composed of postively charged protons and negativley charger electrons and electically neutral neurtrons |
|
|
Term
|
Definition
| two or more atoms can combined chemically |
|
|
Term
|
Definition
| when atoms of two or more different elements combine . H2O |
|
|
Term
|
Definition
chemically compounds that readily release hydrogen ions in water. |
|
|
Term
|
Definition
| alkaline substances common clearning agents. baking soda, ammonia, bleach, and drain cleaners |
|
|
Term
| common elements in oraganic compounds: |
|
Definition
carbon is the main. hydrogen, oxyen, nitrogen, phsophorus and potassium |
|
|
Term
|
Definition
| the mulititude of enzymatic reactions an orangsims perform |
|
|
Term
|
Definition
| converts radiant energy into useful high-quality chemical energy in the bonds that hold together organic molecules |
|
|
Term
|
Definition
| x rays or gamma rays have short wavelengths |
|
|
Term
|
Definition
long wave lengths. include heat and radio wavelengths |
|
|
Term
|
Definition
oragnize in terms of speices, populations, biological communities and ecosystems |
|
|
Term
|
Definition
| most often defiends as all organsims that are gentically simular enough to breed and produce live, fertile offspring in nature |
|
|
Term
|
Definition
| consists of all memebers of a species that live in the same area at the same time |
|
|
Term
|
Definition
| consists of all the populations lviing and interacting in an area |
|
|
Term
|
Definition
| a biological community and its phsyical environment(water, mineral resources, air, sunlight) |
|
|
Term
|
Definition
| major property in the ecosystem, the amount of biomass(biological material) produced in a given area durning a given perood of time. |
|
|
Term
|
Definition
| photosynthesis oragansims |
|
|
Term
|
Definition
the amount of primary production that accumulates in a system |
|
|
Term
|
Definition
| an orangsims feeding position in an ecosystem |
|
|
Term
|
Definition
| organisms such as fungi and bacteria complete the final breakdown and return nutrients to the soil to fertilize the primary producers |
|
|
