Waste discharged from the intestine through the anus. Manure. Worm castings.

To supply nutrients to plants, or, to impregnate an egg.

The sequence defined by who eats whom, starting with a producer (green plant).

The sequence defined by who eats whom, starting with producers and progressing through various levels of consumers, including decomposers and predators. Many organisms may be more than one level of consumer, depending upon whether they eat a plant, a microorganism which has consumed a plant, or an animal which ate the microorganism which ate the plant. A food web describes more complex linkages and interrelationships than a food chain.

A large group of organisms which reproduce by spores. The group includes mushrooms, toadstools, molds and mildew.

The plural of fungus is fungi.