快好知 kuaihz


food chain造句
61, Chlorodimeform and amitraz are two highly effectively insecticide. Both and their intermediate metabolites are highly toxic and can cause potential damage to human health through food chain. 62, If a people do not understand this basic principle, with the victims of rentier nature of the food chain as inevitable as there is a natural. 63, It is a patent technique originated by faculty in our laboratory that applying rare-earth element as a fluorescent tracer to measure the nutritive relationship in food chain quantitatively. 64, Conclusion could be made that lindane had high persistent in environmental media and was apt to bioconcentration in food chain. 65, Every agricultural system produces a surplus of waste and hard-to-use biomass that is best kept in the food chain by feeding it to livestock. 66, "It's very disturbing to think about the potential implications of a century-long decline of the base of the food chain," said lead author Daniel Boyce, a marine ecologist. 67, That fish is lower than the other in the food chain. 68, The concentrations may be increased or decreased as toxins are passed up the food chain. 69, Exploiting detritus food chain is part of development system of grand agricultural re - sources. 70, The imperilment of oil pollution on plankton will pass to other halobios through food chain. 71, A heterotrophic organism that ingests other organisms or organic matter in a food chain. 72, Producer The first TROPHIC LEVEL , in a food chain. 73, The A640 is a little higher -- emphasis on "a little" -- in the food chain, adding Bluetooth, PTT, and a VGA camera. 74, In Asia, China is now the dominant trading partner, yet the flows are mainly in low-end goods, while America dominates higher up the food chain. 75, Camelina is a dedicated energy crop that does not compete in the food chain. It grows in rotation with wheat acreage and can also grow on marginal land not suitable for food crops. 76, The disadvantage is the unknown knock-on effects. Planktonic algae are at the bottom of the food chain. 77, Large, predatory fish — such as tilefish, swordfish and king mackerel — tend to have higher levels of methyl mercury than do smaller fish because they're higher in the aquatic food chain.