6171455
Description
Flashcards by Anna Erickson, updated more than 1 year ago
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Created by Anna Erickson
over 9 years ago
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| Question | Answer |
| environment | sum of all conditions surrounding us that influince us |
| species diversity | # of species in a region |
| ecosystem diversity | variety of ecosystems or habitats that exist in a particular region |
| sustainability/renewable | an activity/action that does NOT deplete resources overtime. |
| Earth is a ..... | ..intervonnected system |
| what are the 4 most common elements in a living thing?.. | water H20*** carbohydrate CH20 Proteins NCC Lipids CH |
| chemical energy is found where.. | ..in chemical bonds |
| matter= | physical stuff on the universe (mass) |
| what are the 4 Elements in a living thing | carbon nitrogen hydrogen oxygen |
| what is a chemical compounds | multiple elements that are stuck together in the body |
| high energy compounds are? | carbohydrate proteins lipids |
| in a chemical reaction the ___ dont change the ___ do. | elements, compounds |
| the measure of carbon energy is?.. | a calorie |
| energy transformation | some energy is made into waste energy (unusable) |
| we lose __% of what we eat due to ___ | 90%, heat |
| respiration | every living cell makes the chemical reaction |
| photosynthesis can build... | carbon, lipids, proteins |
| all carbon came from.. | plants |
| CO2 is a ___ energy compounds | Low |
| what does photosynthesis need in order to work? | sunlight |
| energy efficiency | the ratio of the amount of work that is done to the total amount of energy that is introduced into the system |
| ecosystem | everything that is alive and not alive! |
| biotic | living things |
| abiotic | non-living |
| what are the trophic levels | producers, herbivores, carnavores, top pretitors |
| what are the reservoirs? | biotic (alive), atmospheric (air), geologic (ground) |
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