When plants and animals ____ they are broken down. This is called ____. The materials the organism is made from are ____ back into the ____. Decay is caused by ____ called decomposers. Waste produced by plants and animals also decays because of ____.

Decomposition

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?