Birds have tetrachromacy, which is the presence of four types of cone cells. according to this information, which statement is true? a. birds can see clearly at nightb. birds can identify fewer colors than humans can  c. birds can identify more colors than humans cand. birds are color sensitivee. birds can see more accurately during the day

Depending on the organism the number of in a cell may change

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

What form of anesthetic was used for field surgery