By: Megan Schwartz
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thin, round body
smooth skin
have bilateral symmetry
many colors
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in humans, plants and animals
saltwater and freshwater
in muddy places
live on land and water
found between polar regions and tropical
regions
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bacteria
fungi
food found in soil
some eat blood from humans
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when animals eat them they have an easy trail
to food
they search through the soil
look in the water
 if
something eats a
roundworm they will get a
very bad disease. This could
kill the predator.
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a roundworm can lay up to 200,000 eggs a day
for at least 10 months
There are 12,000 species of roundworms
another name for roundworms are nematodes
roundworm eggs live in the soil
roundworms are parasites
can range from microscopic size to 3 feet long