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Earthworms
do not have
eyes but
they can
sense light |
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Earthworms have 5
hearts but no lungs!
They breathe or respire through their skin which must remain moist. If an Earthworm dries out it will die. If the soil dries excessively, the earthworm will burrow deeper or move to another location. |
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Earthworms
usually grow
between 2-4
inches long
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Earthworms move by contracting and relaxing their muscles in waves.They have muscles running around and along their bodies. When the length ways muscles tighten they pull the body segments closer together. A worm moves by first lengthening itself and then drawing in its tail section towards its head which is held in place by its bristles (setea). |
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Earthworms do not die when cut in half. One half usually the front regenerates, |
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Earthworms bodies consist of about 80% water and they are cold bloodied |
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In Ancient Egypt, earthworms were considered so indispensable to the agricultural economy that Cleopatra supposedly declared the earthworm sacred, and any export of earthworms was subjected to the death penalty. |
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Earthworm
comes from the Latin
Lumbricus
terrestris
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Over 3000 species of worms have been identified. Less than 30 of these are found in the UK. |
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Earthworms can live for 3-4 yrs on average but have been found to be as old as 15 years |
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They are basically nocturnal; they come to the soil surface at night when temperatures are lower and humidity higher.
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Earthworms will eat anything that was once alive, but is now dead. However, like humans they do have some dislikes and they don’t like garlic, onion, leeks or citrus peel. |
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Earthworms are hermaphrodite; they perform both male and female functions when mating. Some species of earthworms can reproduce parthogenetically without mating. |
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One of the largest species of Earthworm is
the Giant Gippsland Earthworm which is found
in SE Australia and which can grow to
one metre long. |
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Earthworms live in almost all soil types, except very coarse soils (sands) and those that are very acidic. |
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Earthworms live across the world however there are some climates and conditions which do not provide a suitable environment for them. It is rare to find large numbers of earthworms in deserts, at high altitude, or in areas constantly under snow and ice.Whilst some species can live in water most species cannot tolerate sea water. |
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