¿Cuál de los siguientes organismos transforman el nitrógeno gaseoso en nitratos? Plantas Herbívoros Bacterias nitrificantes

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos