(2) (Of, or pertaining to) An organism that expresses the dominant gene (or allele). (ecology) (Of, or pertaining to) An organism or group of organisms having the most considerable influence or control in its ecological community among other organism.
Relevance. Rating Newest Oldest. Best Answer: Geological Period that lasted the longest: The Precambrian Era The Precambrian Era is the longest geological era beginning 4.5 billion years ago and lasting approximately 4 billion years. The Precambrian era is generally separated into two eons the first of which being the Archaean Eon.
Dulo Dynasty (2137 BC - 753 AD). The dynasty that ruled the longest in history is the Dulo Clan or the House of Dulo of Bulgaria. It ruled for 2,890 years. The Dulo Clan or the House of Dulo was the name of the ruling dynasty of the early Bulgars.