Define each factor: Habitat destruction refers to the alteration or elimination of natural habitats, often due to human activities like deforestation, urbanization, or agriculture. Invasive species are non-native organisms that disrupt ecosystems by outcompeting native species. Overharvesting involves excessive exploitation of resources, such as fishing or hunting, leading to population declines. Climate change refers to long-term shifts in temperature and weather patterns, impacting ecosystems globally.