In past decades, the grizzly bears in yellowstone national park were hunted nearly to extinction. some people just wanted a trophy to brag about, while others were trying to protect their livestock from the large carnivore. what is the most effective way to protect wildlife whose population numbers are becoming concerningly low?

What does homeostasis means in biology?

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

What are positive impacts of algae? how is it used?