In our experiment, the caterpillars were fed on a diet of wheat germ. How do you think the various efficiencies would have changed if we had fed them on a more natural diet of tobacco leaves? Why might they have changed in these ways?

d i think its   answer d

the backbone of the dna and rna compound is sugar phosphate.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.