The enzymes that act inside the small intestine are amylase, protease, and lipase. Amylase acts on starch and breaks it down into small carbohydrate molecules. Protease acts on proteins and breaks them down into amino acids. Lipase breaks down dietary fats into smaller molecules called fatty acids and glycerol.
Sandhill Cranes mate for life, choosing their partners based on dancing displays. Displaying birds stretch their wings, pump their heads, bow, and leap into the air. Although each female usually lays two eggs, only one nestling typically survives to fledge.
Some do, and some don't, similar to humans. It depends on the species to be more specific. The male fox will often hang around to help raise the young. However, during the next year, some will mate with the same partner again while others will find a different mate.It's all about fitness of the species.typically foxes mate for life. the ones that do, if the male dies, then the female will find another mate, but if the female of the pair dies, then the male will not mate with another female ever again.he male fox will often hang around to help raise the young. However, during the next year, some will mate with the same partner again while others will find a different mate.