Others feed on things that were once living, such as fallen leaves and dead
animals, causing them to breakdown or decay. Some fungi and bacteria cause
insects, bacteria and fungus... micro-organisms.
Materials from living things decay because they are digested (broken down) by
microorganisms. These microorganisms cause decay by releasing enzymes that
The key factors involved in decay are: ... They both cause decay by releasing
enzymes onto the dead animal or plant. ... Earthworms that help break down
dead leaves; Maggots that feed on animal tissue; Woodlice that break down
Dec 19, 2001 ... When plants grow and produce new leaves, fruits, and stem wood, they use ... All
living things, and a few other surprising substances, are considered organic. ...
Scientists call the organisms that decompose organic matter ...
Feb 5, 2013 ... What will happen to the living things when they die? What happens to ... The
piles of dead leaves on the ground soon begin to decay away. decomposition ...
Germs are micro-organisms that cause diseases and make us ill.
If every organism that died did not decay and rot away, the earth's surface ... floor,
living on the dead leaves and twigs that have fallen from the trees above.
When organic materials decompose in the presence of oxygen, the process is
called ... In aerobic decomposition, living organisms, which use oxygen, feed
upon the ... level will cause the pile to “go anaerobic”, with the accompanying
odor problems. ... A low-cost method of reducing the size of fallen tree leaves is to
mow the ...
Carbon compounds are present in living things like plants and animals and in ...
parts of the plants (shoots and leaves), and the belowground parts (roots). ... For
example, increasing temperatures can cause carbon dioxide to be released from
the ocean. ... Some living things grow and decompose more quickly than others.
Gardeners often collect fallen leaves in autumn and place them on compost
heaps. (a) Over the next year the leaves decay. Which living things cause decay?