Human influences on ecosystems

Topics

Choose a topic to revise

Sample objectives

What this unit covers

• Habitat destruction: Explain an ecosystem as a system that includes a community of organisms and their environment, which interact with one another.
• Habitat destruction: Define biodiversity as the variety of different species present in a specific area.
• Conservation: Explain the reasons that lead to organisms becoming endangered or extinct, such as climate change, destruction of habitats, hunting, excessive harvesting, pollution, and the introduction of non-native species.
• Conservation: Discuss methods for conserving endangered species, which include: (a) monitoring and safeguarding species and their habitats (b) educational initiatives (c) breeding programs in captivity (d) maintaining seed banks.