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Welcome! Today we are going to explore biomes, which are the giant communities of plants and animals on our planet.
A biome is a large area of the world. It has its own special climate, soil, plants, and animals. You can think of a biome as a massive, natural neighborhood.
Temperature and rainfall decide what a biome looks like. For example, hot weather and lots of rain create a lush rainforest. In contrast, very little rain creates a dry desert.
Plants and animals must adapt to survive in their biome. Cacti in the desert store water in their thick stems. Polar bears in the tundra have thick fur to stay warm in the freezing cold.
Let's look at two different regions. Region A gets over 100 inches of rain a year and is always warm. Region B gets less than 10 inches of rain a year and is very hot. Let's analyze which biomes these regions belong to by looking at their climate clues.
- First, look at the climate clues for Region A: high rainfall (100+ inches) and warm temperatures all year.
- Next, match these clues to a biome. Large trees and lush green plants need constant warmth and lots of water to grow.
- Therefore, we can conclude that Region A is a Tropical Rainforest biome.
- Now, look at the clues for Region B: very low rainfall (under 10 inches) and high heat.
- Think about what can survive there. Only plants that store water, like cacti, can live in such a dry place.
- Therefore, we can analyze and conclude that Region B is a Desert biome.