Factors affecting ____ can be sampled using sampling techniques. ____ intensity can be measured using a light ____. pH can be measured using a ____ meter. Care must be taken when using these instruments to ensure valid results. For example when using a pH meter the ____ must be wiped between samples and inserted to the same ____ each time. ____ traps can be used to sample ____ animals and ____ to estimate the number of ____ in an area. When using a pitfall trap the trap must be level with the ____ and ____. Quadrats must be thrown ____ With any sampling technique it is important to take ____ samples to make the ____ ____ ____

Nat 5 KA2: Sampling Techniques

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?