Zinc is a mineral that's important to the body in many ways. Zinc keeps the immune system strong, helps heal wounds, and supports normal growth. Zinc deficiency occurs frequently in developing countries. Zinc deficiency in the U.S. is rare, because most diets provide more than the recommended dietary allowance. Why do people take zinc? Zinc has become a popular treatment for the common cold. Some studies have found that zinc lozenges may reduce the duration of cold, perhaps by as much as 50%, and may reduce the number of upper respiratory infections in children. Zinc helps fight infection and heal wounds.
Making the world better, one answer at a time. Cuckoo wasps feed on nectar from flowers mostly. They are also known to hover and feed on other wasps nests. Cuckoo wasps feed on nectar from flowers mostly. They are also known to hover and feed on other wasps nests.
Predators from this category include dragonflies, robber flies, hornets, centipedes and spiders. Robber flies can grow to two centimeters or more in length and have proboscis capable of injecting wasps and other insects with a paralyzing neurotoxin. Various garden spiders also eat wasps and bees caught in their webs. Even the praying mantis will strike down any unfortunate wasp that flies in its path.