Research an endangered ecosystem. Describe the changes in abiotic and biotic factors, as well as the decline in biodiversity, especially with regards to organisms that were previously abundant. Consider this question from the opposite perspective as well. Consider this question from the opposite perspective as well.
Kangaroos are furry, pouched mammals, but raccoons are furry placental mammals.
Speculate on why Australia is the original home of kangaroos and why North America is the original home of raccoons. Develop an explanation of why grassland biomes tend to form in the interior of continents, not along their coasts. Wetlands are transitional zones between aquatic and terrestrial ecosystems. Plants found in wetlands are adapted to grow in periodically or permanently saturated soil. Wetlands also serve as traps for sediments and waterborne pollutants, buffer zones for controlling erosion and flooding, and often as carbon dioxide sinks.