The image below is most likely:
image of starchy molecule with a branching structure
a. amylopectin
b. triglyceride
c. amylose
d. cellulose

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects