The rat infestation in Bukit Batok has thrown a spotlight on the rodents. Here are the three common rodents found in Singapore. Source | The Straits Times January 8Science and Maths Tasks |
(a) You are given a rat which is either the Norway rat, black rat or house mouse. Is it possible to use its mass or length to identify the rodent? Explain the method you plan to use to use.
(b) Based on the information given, estimate the least number of youngs an adult female house mouse can have in a year. Give you answer to the nearest ten.
Also estimate the greatest number of youngs it can have in a year.
Give an average number of youngs an adult female house mouse can have in a year.
Explain your method clearly.
A Little Bit of English |
English Language
Explain the word 'infestation' and the phrase 'to throw a spotlight on'
Give three adjectives that describe rats.
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