Home > Term: obligatory
obligatory
Obligate or required. For example, an obligatory cleaner fish relies entirely on this feeding mode to obtain nutrients; opposite of facultative.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Natural environment
- Category: Coral reefs
- Organization: NOAA
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