- Rêu thường mọc ở những nơi ẩm ướt quanh nhà, chân tường, bờ tường, trên đất ẩm hay trên những thân cây to.
- Những nơi thường xuyên có ánh nắng mặt trời, khô, nóng, rêu không phát triển được vì khi có ánh sáng mặt trời đất sẽ bốc hơi nước trở nên khô, nhiệt độ đồng thời tăng cao làm rêu không phát triển được, nhiều khi bị chết hàng loạt. Do rêu là thực vật sống trên cạn đầu tiên, thân không phân nhánh, chưa có mạch dẫn*, chưa có rễ chính thức nên chỉ phát triển được ở môi trường ẩm ướt, chúng sống thành từng đám với kích thước từng cây nhỏ bé.
- Trình bày bằng hình vẽ sự phát triển của rêu
![Kết quả hình ảnh cho cây rêu](data:image/jpeg;base64,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)
![Kết quả hình ảnh cho cây rêu](https://img.loigiaihay.com/picture/article/2019/0909/giai-bai-3-trang-77-sbt-sinh-hoc-6_2_1567977918.jpg)