A storehouse is a place where food is stored. It can be a building, a storage container, or even just a hole in the ground.
A cremated body is a body that has been burned, usually in the form of ashes. Cremated bodies are often used as an alternative to burial, because they allow people to keep their remains close to them.
Embalming is the process of preserving a body by removing the blood and replacing it with a fluid that will keep the body from decomposing. It's usually done so that the body can be buried.
The tastiest is the best, or the most enjoyable. When you say that something is the tastiest, you mean that it is the best that you have ever had.
Imprinting is the process by which an animal or person learns to associate a particular kind of behavior with a particular kind of object or person.
To decompose something is to break it down into its component parts and then to turn it into waste. When you decompose a corpse, you are breaking down the body into its basic chemicals and tissues.
An entomologist is a scientist who studies insects. They might study a particular type of insect in detail, or they might study the whole category of insects.
Mycelia is the fluffy white growth on the underside of some mushrooms. It helps the mushroom to absorb nutrients from the soil.