2. A scientist was able to measure the daily movement distances (DMD) of 14 spec
ID: 165281 • Letter: 2
Question
2. A scientist was able to measure the daily movement distances (DMD) of 14 species of mustelids (weasels and relatives) of different body masses. She derived the following allometric equation from this work: daily movement distance (in km/day) = 5.758*M0.60 (where M is body mass in kg) In the literature she found an allometric equation for daily movement distances of felids (cats and relatives): daily movement distance (in km/day) = 2.403*M0.62 (where M is body mass in kg) (a) On average, how many times greater are the DMD’s of mustelids than felids? b) Estimate the energy that a 2kg mustelid expends on movement in a day.
Explanation / Answer
a)Times DMD's of mustelids is greater thn felids=number of mustelids /number of felids=5.758/2.403=2.39
b)The energy thata 2kg expands= 2.39*2=>4.78 Joules
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