consumer - a living thing that gets their energy from plants or other organisms , producer - a living thing that uses energy from the Sun to makes its own food, food chain - the feeding relationship between all living things, sun - primary energy source for all living things, arrow - a symbol that shows the direction in which energy flows in a food chain,

Food Chain

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?