Final answer:
The two requirements for land animals as per Leviticus 11:3 are that they must chew the cud and have split hooves. Terrestrial mammals such as ruminants and ungulates have developed these adaptations for efficient digestion and movement.
Step-by-step explanation:
The requirements for animals living on land, according to Leviticus 11:3, are that they must chew the cud and have split hooves. Therefore, the correct answer is 3) Chews the cud and splits the hoof. Lands animals, or terrestrial mammals, have developed various adaptations to survive in their respective habitats. Ruminants, such as cows, sheep, and goats, are examples of herbivores that chew the cud, an adaptive feature allowing them to digest cellulose-rich diets efficiently.
The process of chewing the cud involves regurgitating partially digested food to be re-chewed before final digestion. Ungulates, or hoofed animals, include creatures like deer and giraffes, which utilize their hooves to support their body weight while moving, aiding in swift movements to evade predators.