753700
Descrição
FlashCards por Adam Collinge, atualizado more than 1 year ago
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Criado por Adam Collinge
mais de 12 anos atrás
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| Questão | Responda |
| What can be used to measure environmental change? | Living indicators |
| What is an indicator species? | Organisms that are sensitive in their environment and so can be studies to see the effect of human activities |
| How can we measure air pollution using an indicator species? | It can be monitored by looking at lichen that are sensitive to concentrations of Sulfur Dioxide. If there are many lichen, the air will be clean |
| Why might a mayfly larvae be good for measuring for water pollution? | Because they are sensitive to the concentration of dissolved oxygen in the water. If there's a mayfly in water the water is clean |
| Can environmental changes be measured by non-living indicators? | Yes |
| Give four ways scientists are measuring changes in environments using non-living methods. | 1) Satellites 2) Automatic weather stations 3) Rain gauges 4) dissolved oxygen meters |
| How do Satellites measure environmental change? | They measure the temperature of the sea surface and the amount of snow and ice cover there is |
| How do automatic weather stations measure environment change? | They tell use the atmospheric temperature at various locations |
| How do rain gauges measure environmental change? | They measure how much it rains a year |
| How do dissolved oxygen meters measure environmental change? | They measure the concentration of dissolved oxygen in water |
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