Using two or three well-developed paragraphs, explain how temperature and precipitation determine which plants grow within an area and give an example.

http://en.wikipedia.org/wiki/Native_plant

Temperature and precipitation are crucial factors that determine the types of plants that can thrive in a particular area. Both these factors directly impact the availability of water, which is essential for plant growth. Temperature affects the rate of evaporation, which in turn influences the amount of water available for plants to absorb from the soil. Precipitation, on the other hand, determines the overall water supply in an area. The combination of temperature and precipitation creates distinct climatic conditions, such as tropical rainforests, deserts, temperate forests, or grasslands, that dictate the kinds of plant species that can survive.

For example, consider the tropical rainforest biome. It experiences high temperatures year-round and receives abundant rainfall. With warm temperatures, water evaporates quickly, creating a humid environment with ample moisture. The constant rainfall provides a consistent water supply to support the growth of plants. Consequently, tropical rainforests are characterized by dense vegetation, including tall trees, lush ferns, and various types of flowering plants that thrive in these warm and wet conditions.

Conversely, deserts have low precipitation and hot temperatures. The limited water supply and extreme heat make it difficult for most plants to survive. However, desert-adapted plants, like the cacti, have evolved specific strategies to store water and tolerate high temperatures, such as reduced leaf surfaces and water-storing tissues. These adaptations allow them to survive in arid conditions where other plant species would struggle.

In summary, temperature and precipitation play a fundamental role in determining the types of plants that can flourish in a given area. The unique combination of these factors gives rise to different biomes and their associated plant communities.

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