Which genera did Zokors actively show a positive selection index for, indicating active choice over abundance?
Answer
Echinops, Cirsium, Medicago, and Poaceae members
The selectivity index compares the proportion of resources consumed against the proportion available in the environment. Zokors demonstrated a positive selection for certain genera, meaning they actively chose to consume them even if they were less abundant overall. These actively selected genera included Echinops, Cirsium, Medicago, and members of the Poaceae grass family. Collectively, these actively chosen resources made up about 53.22% of their measured diet, despite only representing about 21.87% of the total plant biomass found surveyed in the area, highlighting a preference for these specific resources.
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