biotic factors


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bi·ot·ic fac·tors

environmental factors or influences resulting from the activities of living organisms, as contrasted to those resulting from climatic, geologic, or other factors.
References in periodicals archive ?
We combined data from the entire class and made a graph so the students could determine how the abiotic and biotic factors influenced aphid populations.
Did they list multiple abiotic and biotic factors that may affect aphids?
For example, the focus during the pilot project was only on developing an experiment to test the impact of one abiotic and one biotic factor on goldenrod populations (Classes Three and Four in this activity).
third instar nymphs, fall 2006) the percent mortality caused by biotic factors was 16%, 71% and 90 % during fall 2006, fall 2007 and spring 2008, respectively (Table 1).
LIFE TABLES OF PSEUDACYSTA PERSEAE DURING 3 DIFFERENT SEASONS WHEN COHORTS WERE EITHER EXPOSED TO OR PROTECTED FROM BIOTIC FACTORS.