Adichotomous key for insects is given. to what order does an insect with two pairs of scaly wings belong?

a) heteroptera
b) lepidoptera
c) diptera
d) coleoptera

If someone could do the first couple, just so i can see how it's done that would be great! 20 points. complete a dichotomous key for the 10 leaves on the common leaves sheet. the chart provided here allows for 11 pairs of statements. depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.

Which of these is the most likely consequence of falling petroleum price

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?