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- three trophic food chain 3物种食物链
- Producer The first TROPHIC LEVEL, in a food chain. 生产者:食物链中第一个营养级。
- At each link in this food chain we can recognize three pathways to the next trophic level: decomposition, parasitism and predation. 在这种食物链的每一个连接,我们能够辨别出通向下一个营养级的三条途径:分解、寄生和捕食。
- A photosynthetic green plant or chemosynthetic bacterium, constituting the first trophic level in a food chain; an autotrophic organism. 生产者,自养有机体构成食物链上的第一级营养层次的可进行光合作用的绿色植物或化能合成的细菌;自养有机体
- Ecology A photosynthetic green plant or chemosynthetic bacterium, constituting the first trophic level in a food chain; an autotrophic organism. 生产者,自养有机体:构成食物链上的第一级营养层次的可进行光合作用的绿色植物或化能合成的细菌;自养有机体
- A photosynthetic green plant or chemosynthetic bacterium,constituting the first trophic level in a food chain;an autotrophic organism. 生产者,自养有机体构成食物链上的第一级营养层次的可进行光合作用的绿色植物或化能合成的细菌;自养有机体
- Insects are fairly low down (on) the food chain. 在食物链中,昆虫是相当低的一级生物。
- Removal of SRMs from food chain. 从食品链中去除。
- Its roots are part of the food chain. 根部参与食物链。
- Nothing. He's at the top of the food chain. 没有,他是食物链的最顶层。
- Plankton is at the bottom of the marine food chain. 浮游生物处于海洋食物链的最底层。
- The more trophic levels there are in a food chain or web, the greater is the cumulative loss of usable chemcial energy as it flows through the trophic levels. 当它流过营养水准时,在一个食物链或网中营养水准愈高,可使用化学的能源累积的损失也愈多。
- A group of organisms that occupy the same position in a food chain. 营养层次,营养级在食物链中居于同一地位的一群生物
- A reach of prairie;the lower reaches of the food chain. 大草原地区;食物链的低等生物群
- Food, food chains, food-webs and trophic levels consist of a system, termed the“ food system”. 食物、物链、物网以及由此构成的营养级组成“食物系统”。
- Many young Chinese love to eat at the international food chain. 中国的很多年轻人都喜欢这个国际食品连锁店。
- No wonder we're dangling at the bottom of the food chain. 难怪我们只能在食物链的底部晃来晃去。
- The milkfish pond system is composed of limited trophic components and operated by simple food chains. 虱目鱼养殖 池可视为一封闭、完整的生态系,由单纯的生物及食物链所组成。
- The feeding level an organism occupies in a food chain. 指处于食物链某一环节上的所有生物种之总和。
- The food chains extend to the abyss. 食物链一直延伸到深渊。