Scientists believe that mature salmon swimming back up their home river system detect odors to guide them on their journey. in fact, salmon with cotton stuffed in the nostrils on each side of their head cannot find their way back home. the sensory pathway to the brain begins with of the salmon. a) chemoreceptors in the nose b) photoreceptors in the eyes c) electromagnetic receptors in the ears d) sensory cells at the base of the brain

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Which group of molecules are targeted by the kinases in order to control this movement

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes