Estimating population size using quadrats: practical
Quiz by Oak National Academy: GCSE Combined Science AQA Foundation
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6 questions
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- Q1Abundance means ...how often a quadrat is used in an investigation.the number of one species that is found in a habitat.how organisms interact with each other in the environment.how many different organisms there are in a habitat.30s
- Q2Which of the following is true about quadrats?Quadrats should be placed randomly by throwing them.Quadrats should only be used in the summer when plants are flowering.More reliable results are given by taking a large sample.Quadrats are useful to sample populations of mice.30s
- Q3What is the area of a quadrat that measures 0.5 m × 0.5 m?0.1 m²1 m²0.5 m²0.25 m²30s
- Q4Look at the results from a quadrat survey of dandelion plants. Calculate the mean number of dandelion plants in each quadrat.7.80.7878102030s
- Q5Ten 1 m² quadrats were placed in a 40 m² field. A mean of 2 snails were found in every quadrat. Estimate the population size of the whole field.4088008030s
- Q6The results from a quadrat survey of dandelion plants in a school field is shown. Each quadrat is 1 m². If the school field is 1000 m², estimate the total population size of dandelion plants.Users enter free textType an Answer30s
