The enzyme lactase will affect the breakdown of the carbohydrate lactose, but not the carbohydrate starch. The ability of an enzyme to interact with only specific molecules is most
directly determined by the-

A) speed of the reaction
B) structure of the active site
C) number of molecules involved
D) temperature of the solution

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

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.