Final answer:
Lions are carnivorous predators that play the role of top predators in their ecosystem, hunting cooperatively in prides and not typically being preyed upon themselves.
Step-by-step explanation:
The niche lions fill in their habitat is that of carnivorous predators. As obligate carnivores, lions rely entirely on animal flesh to obtain their nutrients. They live in social groups called prides, with adult females hunting cooperatively and adult males defending the territory.
Lions are a part of the ecosystem where they serve as top predators, influencing the population dynamics of prey species and competing with other predators. They engage in true predation by hunting, killing, and consuming their prey. Despite being powerful hunters with traits such as speed and camouflage aiding their hunting prowess, lions do not typically have natural predators themselves; however, they are vulnerable to threats posed by humans and habitat loss.