在19世纪后期，生态学从它的自然历史和植物地理学的根源开始发展为一门独立的科学。

In the late nineteenth century, ecology began to grow into an independent science from its roots in natural history and plant geography.

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在19世纪后期，生态学从它的自然历史和植物地理学的根源开始发展为一门独立的科学。

In the late nineteenth century, ecology began to grow into an independent science from its roots in natural history and plant geography.

youdao