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15 Cards in this Set
- Front
- Back
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How do you calculate energy efficiency? |
Output over input how |
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How do you calculate energy cost? |
Cost= power used x time x cost of electricity |
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What are the 4 tropic levels? |
1st- producers (plants) 2nd- primary consumers (herbivores/omnivores) 3rd- secondary consumers (omnivores/carnivores) 4th- tertiary consumers (carnivores) |
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What is a food web? |
A visual map that shows the relationship that exist within an ecosystem |
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What are the 4 types of invasive species? |
Ecological, economic, tourism, and health |
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What are the 3 methods for controlling non-native species? |
Mechanical, chemical, and biological |
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What is photosynthesis? |
The process where the sun's energy is converted into chemical energy |
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What is cellular respiration? |
The process where glucose and oxygen are converted into carbon dioxide and water to provide energy |
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What is the water cycle? |
The series of processed that cycle water through the environment |
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What is the carbon cycle? |
The relationship between photosynthesis and cellular respiration |
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What is the nitrogen cycle? |
Plants need nitrogen to grow |
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What is the limiting factor? |
Anything that can restrict/ limit the size of the population |
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What is static electricity? |
-charges don't move - does NOT produce painful shocks |
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What is current electricity? |
The flow of electrons in a controlled pathway |
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What is an electric current? |
A continuous path which electrons can flow |
