Why does size affect the gestation period?

Why do Chinese love crickets? Where does Chiken come from? Whick part of a hen's egg is the germ cell? What species are affected by overfishing in the North Sea? Do hamster give birth or lay eggs? How long after neutering will they stop spraying? How many primary feathers does an owl have? Do flies lay eggs in dog feces? Compaire and contrast ranching and pastoralism? In 1936 socialite Ruth Harkness became the first westerner to capture what Chinese animal which she brought home cuddled in her arms? Observing animal tracks is an example of what observation? Do lions and cheetahs ever raise each others babies? Who is nikhil jagpal? Do Parson Russell terriers bark a lot? Why Iberian lynx have sharp teeth? In cattle the hornless condition (H) is dominant and the horned condition (h) is recessive. A bull without horns is crossed with a cow with horns. Of the four offspring one (1) is horned and three (3)? How many narwhals get killed each year? Do females have three openings in their pelvic region? Can silverfish swim? Can you mix a Belgian blue with a British blonde?