Witch of the following is an example of how a changing is important to the sustainability of living systems a. global climate change may lead to the extinction of many species that are unable to adapt to the changes b. the illusion of topsoil reduces the diversity of an organism in the ecosystem c. the water cycle and shoes that water used by an organism will be able to for another organism in the future d. all of these

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