1) How are they distributed, are there any terrestrial animals? Are they tropical? Arctic? Global? Marine and freshwater, or just marine?
2) What niche or ecological role do these animals fill? Are they primary predators, tertiary predators, filter feeders, etc?
3) Approximately how many species are there?
Tag Archive | "Chondrichthyes"
Questions About Chondrichthyes?
Posted on 04 April 2013.
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