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APES Unit 1
Questions
| Question | Answer |
|---|---|
| How does a food web differ from s food chain? | A food chain is a set of interconnected food webs while a food chain is a single network of energy transfer. |
| What are the trophic levels? | Producers->Primary Consumers->Secondary Consumers->Tertiary Consumers // Decomposers and Detritvores. |
| What is the 10% rule? | Only 10% of energy is maintained through each trophic level. |
| What does the water cycle do? | Purifies, recycles, and distributes water. |
| Where is the nitrogen cycle present in nature? | Nitrogen fixing bacteria in the soil and plant roots convert nitrogen gas to ammonia. Nitrifying bacteria converts ammonia to nitrates or nitrites which plants can absorb. |
| Where is the phosphorus cycle present in nature? | Phosphorous is moved through the biosphere typically found in rocks, typically found in rocks and sediments. |
| Where is the sulfur cycle present in nature? | Sulfur is released through weathering and used by microbes and plants. |
| How many mass extinctions have there been? | There have been five mass extinctions and we are thought to in the mixed of the 6th. |
| What is Maggot Debridement Therapy? | the use of maggots on wounds to eat dead tissue that wouldn't heal. |
| What are the principles of sustainability? | 1) Biodiversity 2) Chemical Cycling 3) Solar Energy |
| How are we living unsustainably? | 1) Pollution 2) Over consumption 3) Resource Degradation 4) Overpopulation 5)Ecological Footprint |
| What are some factors that are causing us to live unsustainably? | 1) Poverty, people cannot afford to love sustainably 2) Cultural changes or revolutions 3) Uneducated/Careless people |
| What can limit a population? | 1) Availability of water, food, and other resources 2) Carrying Capacity 3) Disease/Illness 4) Natural disaters |
| What are some end products of anaerobic respiration? | 1) Methane Gas 2) Ethyl Alcohol 3) Acetic Acid (vinegar) 4) Hydrogen Sulfide |
| What are the reasons for extinction? | H-abitat destruction I-nvasive Species P-ollution P-opulation growth (human) O-verexplotation |
| What are some characteristics of water? | Water is a universal solvent, remains a liquid of a wide temp. range, and changes temp. slowly. |
| How do humans alter the water cycle? | 1) Withdrawing large amounts of freshwater 2) Clearing of vegetation and soil 3) Polluting water 4) Contribute to climate change |
| What is the difference between physical and chemical changes? | Physical changes do not alter an item's chemical make up. Chemical changes happen through nuclear fission. |
| Where is the carbon cycle present in nature? | The relationship between photosynthesis and cellular respiration, photosynthetic producers take in CO2 and organisms left off CO2. |
| What is the salinity of saltwater? | 3.5% |
Created by:
MadisonFoleyReis
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