Why do living things change their environment?

Imagine what your street looked like before all the homes were built. Or what the forest would look like without any trees. This video teaches us how plants, animals, and people change the environment. Sometimes changes are obvious, like when a beaver builds a dam or a tree provides shade. Other changes happen without us even seeing them, like when a bee pollinates a flower, or leaves create oxygen. Whether we see it or not, changes are happening all around our environment. What are some changes you see around you?

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Animals and Plants - Kindergarten