Read this paper and answer the given questions:
Durso, A.M. & Mullin, S.J. (2013). Intrinsic and extrinsic factors influence expression of defensive behavior in plains hog-nosed snakes (Heterodon nasicus). Ethology, 120(2), 140- 148. doi: 10.1111/eth.12188
What was the effect of microhabitat on the observed anti-predator behaviour? Describe one possible confounding variable with this finding, as mentioned by the authors.
Summary: This question belongs to ethology and discusses about effect of microhabitat on the observed anti-predator behaviour based on given article.
Total word count: 83
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