41. Their similarities are thought to be due to convergence as a result of sharing the same ecological niche . 42. Bandfish may have taken up an ecological niche burrowing and eating zooplakton due to strong pressures from predators. 43. They occupy an ecological niche previously taken by gondwanatheres such as " Patagonia " earlier in the Cenozoic. 44. The species evolved in the relative absence of terrestrial predators, allowing it to pursue an unorthodox ecological niche . 45. Both the host plant and parasitic fungi have to continue to survive to stay in their ecological niche . 46. Some species are endangered and others have a very specialized ecological niche and consequently occupy small or specific areas. 47. Luckily, the demagogue is a rare type in business; politics seems to be the demagogue's more natural ecological niche . 48. It is considered a close cousin of the bald eagle and occupies the same ecological niche , but in Eurasia. 49. Can you tell me seven articles about animals that refer to their ecological niche in comparison with their competitors? 50. Color vision is a complicated evolutionary development, and it evolved in a specific ecological niche for a specific purpose.