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Stack #42721
| Question | Answer |
|---|---|
| producer | autotrophs that manufacture their own food |
| gross primary productivity | the rate at which producers in ecosystem capteure energy |
| biomass | the organic material in an ecosystem |
| net primary productivity | rate at which biomass accumulates |
| what biome has the highest the highest net primary productivity | estuary in the tropical rain forest |
| variation in productivity among terestial ecosystems | light, temperature and preciipation |
| heterotrophs | cannot manufacture their own food |
| consumers | heterotroph |
| herbivores | eat producers |
| carnivores | eat other consumers |
| omnivores | eat consumers and producers |
| detritivoresd | consuemrs that feed on the garbage ofan ecosystem |
| decomposers | decay by breaking down the complex molecule in dead tuissues and waste into simpler molecules |
| trophic level | indicates the organisms posituion in the sequence of energy transfers |
| producres (trophic) what level | belong to the first trophic level |
| heribovers (trophic) what level | belong to the second trophic level |
| predators (trophic) what level | belong to the third level |
| total energy consumerd in one tropphic level that is incorporated into the organisms in the next level | 10% |
| functiosn that require energy | the ability to maintain a cosntant body temperature, the ability to move, and t high reproductive rate |
| what is the purpose of cellular respiration | to produce energy for the cell |
| what goes in the cell in order for cellular respiration to take place | glucose and oxygen |
| where is the energy in a molecule of glucose | in the bonds |
| how is the energy released | breaking the bonds |
| what types of cell lacks mitochondria | bacteria or prokaryotes |
| how many mitochondria per cell | 1 to hundreds |
| where does glycolysis take place | in the outer membrane |
| where does krebcycle take place | matrix |
| where does ets take place | in the folded membrane |
| what goes in to glycolysis | glucose |
| what is the input of the krebcycle | acteyl |
| what is the input of ets | electrons and hydrogen |
| whats the waste product of glycolysis | lactic acid |
| what is the waste product of the krebcycle | carbon dioxide |
| what is the waste product of ets | H2O |
| what is the product of gglycolysis | tyruvat 2 atp |
| what is the product of the krebcycle | 2 atp |
| what is the product of ets | 32 atp |
| what transports the electrons and h atoms | nadph |
| why is oxygen needed for this reaction | helps pull them through the system |
| how much energy is lost in heat in cellular resoiration | 62% |
| what are the chaaracteristics in anarobic respiration | no oxygen and they use glucose to produce energy |
| 3 types of firmentation | alcohol lactic acid and actic acid |
| the term groundwater refers to water that | is found in soil or underground formations |
| 90% of water that returns to the atmosphere does so through? | transpiration in plants |
| 2 sources of carbon dioxide | cellular respiration and cumbustion |
| 2 components of the nitrogen cycle that produce ammonia | nitrogen fixation and ammonification |
| animals obtain nitrogen from | the proteins and nucleic acids in the organisms they consume |
| nitrogen fixation | the process of converting nitrogen gas to ammonia |
| nitrogen fixing bacteria | they do nitrogen fixation and they make nh3 which plants absorb to make proteins |
| ammonification | the process of decomposers breaking down the corpses and wastes of other organisms and release the nitrogen they contain as ammonia |
| nitrification | when bacteria in the soil takes up ammonia and oxidize it to nitrates |
| denitrification | when anarobic bacteria break down nitrates and release nitrogen gas into the atmosphere |
| what are 7 major biomes | polar ice, tundra, tiaga, mountain zones, temperate dissidious forest, tropical rainforest, temperate grassland, savanna, desert |
| biomass is | organic material in an ecosystem |
| all the different species within an ecosystem are a | community |
Created by:
lilee256