Do you think your model accurately demonstrates the water cycle

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous

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