PLANTS WITHOUT SEEDS 
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can produce a new plant. Spores, which you 
cannot see, floating about in the air, settled on 
your piece of bread and grew into the bread 
mold you found. The blue colored mold 
which grows on jam and cheese and other foods 
is a relative of the bread mold. 
All the molds belong to the Fungus family. 
They are larger than bacteria, but are much 
more simple in their formation than the green 
plants. They do not make their own food but 
steal it. Therefore, they are parasites, a word 
which means “eating at another’s table.” They 
are usually not poisonous, but harm us by spoil¬ 
ing the food we want to eat. They must have 
warmth and moisture in which to grow. We 
can protect our food by keeping it cool and dry. 
Molds are not so dangerous as bacteria, but they 
do quite a lot of damage. They do not attack 
living plants or animals, and they do not enter 
into our bodies to cause disease as do bacteria. 
Bacteria and molds often grow together, as 
they both like warmth and moisture. Boiling 
or cold temperatures will kill both of them. If 
