Explain how a change in temperature could impact a specific species and its ecosystem.

A change in temperature can impact a species like the polar bear, which relies on sea ice for hunting seals. If temperatures rise and ice melts, polar bears may struggle to find food, leading to decreased population sizes. This change can also affect the entire Arctic ecosystem, as the decline of polar bears can disrupt the balance of predator and prey relationships.

This answer effectively illustrates the direct impact of temperature on a specific species and its broader ecological implications, showcasing the interdependence within ecosystems. The question assesses the student's ability to apply knowledge to a specific context.