Winter squash is an excellent source of vitamin A, vitamin C, alpha-carotene and beta-carotene. It is also a very good source of thiamin, vitamin B6, potassium, magnesium, and manganese, and a good source of iron.
Spiders are, for the most part, such generalist feeders that they kill many useful insects as well as many pest species, however because pest species are by their nature more numerous than beneficial species they are still effective. They are of great value to the environment.
These âlowly creaturesâ play a vital part within the natural soil ecosystem. They are also valued for their contribution to ecosystem services â ecosystem functions that are of direct benefit to humans through their action on soil processes. Earthworm benefits to ecosystems. Earthworms are sometimes known as âecosystem engineersâ because they significantly modify the physical, chemical and biological properties of the soil profile. These modifications can influence the habitat5 and activities of other organisms within the soil ecosystem.