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A limited number of microbial groups, notably bacilli and Clostridia, produce internal spores, termed endospores (Fig. 5.4). These structures are highly resistant to extremes of temperature, radiation, pressure, and other forms of environmental stress. They are the most resistant biological structures known and, although the environmental extremes to which they are resistant are rarely encountered in soil, they are responsible for the persistence and survival of these organisms over many years and even centuries.

Worm Farming

Worm Farming

Do You Want To Learn More About Green Living That Can Save You Money? Discover How To Create A Worm Farm From Scratch! Recycling has caught on with a more people as the years go by. Well, now theres another way to recycle that may seem unconventional at first, but it can save you money down the road.

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