AP Government and Politics Unit 4 Review

Photosynthesis

The process by which green plants and some organisms use sunlight to synthesize foods with the help of chlorophyll.

Ecosystem

A biological community of interacting organisms and their physical environment.

Cellular Respiration

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Biodiversity

The variety of life in the world or in a particular habitat or ecosystem.

Nutrient Cycle

The movement and exchange of organic and inorganic matter back into the production of living matter.

Food Chain

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Climate Change

A significant and lasting change in the statistical distribution of weather patterns over periods ranging from decades to millions of years.

Sustainability

The ability to be maintained at a certain rate or level, ensuring that resource use does not harm the environment.

Invasive Species

Non-native species that spread widely and cause harm to ecosystems, economies, or human health.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring.