Sentences with phrase «useful animal prey»
«The plant can judge, by simply counting the number of action potentials spreading over the trap, whether useless dead material has landed inside it or if useful animal prey has been caught,» says Sönke Scherzer, an electrophysiologist at the University of Würzburg in Germany, and one of the study's co-authors.
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Apart from feeding on domestic animals, vampire bats occasionally took blood from wild tapirs, so the method may be useful for determining the distribution of elusive mammal prey.
«the simple average number of animals brought home is not a useful measure of central tendency because of the skewed frequency distribution of the numbers of prey items brought home...» [2]