What is the term used to describe the longnose gar due to its persistence over 100 million years?
Answer
Living fossil
The longnose gar is classified as a living fossil because it has persisted for approximately 100 million years, existing since the Cretaceous period.

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How disproportionate is the longnose gar's slender muzzle compared to the rest of its head?What is the term used to describe the longnose gar due to its persistence over 100 million years?What primitive digestive feature, often associated with sharks, do gars still possess internally?What structure provides the longnose gar with a formidable, armored defense?What specialized adaptation allows the longnose gar to survive in warm or stagnant waters with low oxygen?What characteristic is used to distinguish the head coloration of the longnose gar from the rest of its body?What is the primary predatory movement executed by the longnose gar during an explosive strike?What is notable about the eggs laid by the longnose gar during spawning?How do newly hatched longnose gar survive during their initial nine days before taking their first breath?What observation regarding lifespan demonstrates sexual dimorphism in the longnose gar?