Term
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Definition
| a position in an ecological pyramid occupied by a group of organisms |
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Term
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Definition
| the total quantity of organisms in a given area or volume |
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Term
| list the processes of the carbon cycle |
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Definition
| biological, human, chemical, and geological |
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Term
| Why are nutrients important |
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Definition
| they help organisms build tissue and carry out life functions |
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Term
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Definition
| a factor that limits productivity |
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Term
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Definition
| eats the carcasses of other animals. does not kill them itself |
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Term
| three examples of primary succession |
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Definition
| new land from earthquakes, retreating glaciers, and volcanic eruption |
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Term
| three examples of secondary succession |
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Definition
| wildfirs, hurricanes, and tornadoes |
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Term
| what happens during ecological succession |
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Definition
| a series of more-or-less predictable changes occur over time |
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Term
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Definition
| a total of all genetically based variation in an area |
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Term
| compare species and genetic diversity |
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Definition
| species diversity isthe number of different species in an enviroment and genetic diversity is the toal different forms of genetic information |
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Term
| goals of biodiversity conservation |
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Definition
| to protect individual species and to preserve habitats and ecosystems and making sure that local people benefit |
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Term
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Definition
| a place where significant numbers of species and habitats are at risk of extinction |
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Term
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Definition
| one method of measuring human impact on the biosphere |
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Term
| list principles of cell theory |
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Definition
| all living things are made of cells, new cells are produced from existing cells and cells are the basic units of life. |
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Term
| prokaryotes and eukaryotes have what in common(3 things) |
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Definition
| DNA, cell membrane and cytoplasm |
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Term
| three examples of prokaryotes |
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Definition
| strp bacteria, staph bacteria and spiral bacteria |
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Term
| list the substances found in the nucleus |
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Definition
| protein, DNA, chromatin, and nucleolus |
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Term
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Definition
| breaks down organelles that are no longer useful |
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Term
| two structures involved in movemnt |
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Definition
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Term
| two orgenelles involved in energy conversion |
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Definition
| chloroplast, and mitochondria |
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Term
| what is the function of mitochondria |
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Definition
| converts the chemical energy stored in food into compounds |
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Term
| why does diffusion occur? |
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Definition
| molecules constantly move and collide with each other |
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Term
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Definition
| the diffusion of water through a selectively permeable membrane |
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Term
| what happens to animal cells that is surrounded by fresh water |
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Definition
| water rushes in because the solutes outside the cell is greater and the cell expands and could possibly burst |
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Term
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Definition
| a molecule being absorbed by a cell |
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Term
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Definition
| the process where a cell divides into two daughter cell |
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Term
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Definition
| the internal conditions maintained by an organism |
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Term
| what effect opposes new crust creation at the midocean ridge |
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Definition
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Term
| what do the sizes of the ecological pyramids represent |
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Definition
| the amount of energy or matter available |
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