Uvod u Puževi

Puževi pripadaju klasi Gastropoda, klasifikacije koja uključuje kopnenih, slatkovodnih i morskih puževa i puževi. preci puževi 'su jedan od najstarijih poznatih vrsta životinja na svijetu. Tu je fosilni dokazi o primitivnim puževa datiraju iz kasnog kambrij razdoblja; to znači da su živjeli prije skoro 500 milijuna godina.

Puževi su u mogućnosti da se prilagodi različitim uvjetima života, a oni ne zahtijevaju velike količine hrane. Oni su bili u mogućnosti kontinuirano razvijati preživjeti uvjete oko njih mnogi istraživači pronašli da će biti vrlo fascinantno.

Puževi spadaju u red mekušac (ili mekušaca) klasifikacije beskralježnjaka životinja s mekanim unsegmented tijela, ponekad pokriven sa exoskeleton ili ljuske. Ovaj red, Mollusca, uključuje životinje kao što su lignje, hobotnice, školjke i cuttlefishes među ostalima.

Puževi i puževi su i puževi, dakle, oni su usko povezani, bez obzira na činjenicu da puževi nedostaje zaštitni oklop.

Budući da je gastropod

Naći ćete da ne postoje nedostaci puževa diljem svijeta. U stvari, puževi kreću drugi, odmah iza insekata kada je riječ o broju imenovanih vrsta. Kao očigledan rezultat toga, oni se nalaze u mnogim mjestima, žive u vrlo raznolikim vrstama staništa, pa čak i ima karakterističan prehrambene navike.

Puževi, kao puževa nisu iznimka, tu su kopneni puževi, slatkovodnih i morskih puževa u asortimanu veličina, staništa i izgled. U početku, mi ćemo se posvetiti ove stranice kopnenih puževa, ali želimo uključiti sve vrste puževa u bliskoj budućnosti.

Kada govorimo o kopnenih puževa, mi implicitno isključuje slatkovodne i morske puževe i odnose se samo na zemaljske gastropod mekušaca koji imaju školjke.

Kopneni puževi jako varirati u veličini. Dok su neki od njih su samo nekoliko inča dugo i često vagati samo nekoliko unci, tu su kopneni puževi koji sežu gotovo 12 inča, kao što je Giant African Land puž, vrsta endemske Afrike.

Snails move at an incredible slow speed. An average adult moves at a speed of 1 millimeter per second. While moving, snails leave behind a trail of slime, a lubricant they produce to allow them to easily move across any type of terrain without injuring its body. Land Snails aren’t able to hear at all but they have eyes and olfactory organs. They use their sense of smell to help them find food being their most important sensory organ.

Snail shell is made of calcium carbonate and keeps growing as long as the snail grows. They keep adding more calcium carbonate to the edge of the shell until the snail reaches adult size.

You will find that snails are the most active at night. They may come out during the early morning hours as well. Don’t waste your time trying to tell the males and females apart. This is because snails are hermaphrodites, meaning that they have the reproductive organs of both sexes on them, therefore they are able to produce both sperm and eggs. When they are mating they will both conceive and lay eggs.

The average life span of a snail is approximately 10 to 15 years in captivity. However, it is believed that some species can live up to 25 years this way. In the wild however, lifespan varies from species to species, but range from 2-3 in some cases to 5-7 for other kinds of land snails.

Humans have eaten snails for thousands of years and they are still part of the cuisine of several European countries. However, people can become ill if the snails they eat aren’t properly cooked as some of them can carry a parasite that can cause meningitis.

Handling land snails, especially those found in the wild, should observe the proper hygiene precautions to avoid any contagious disease.

Definitions:

Cambrian period A period of the Paleozoic era, from 540 to 585 million years ago.

Invertebrate. Animals that do not have a vertebral column.

Exoskeleton. External skeleton that protects the body of an animal.

Hermaphrodites A living organism that has reproductive organs of both sexes.

Top Facts about Snails

• The largest land snail recorded was 12 inches long and weighed near 2 pounds.
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Snails tend to feed on a variety of items found in their natural habitat. What they will actually consume depends on where they live and the species of snail that they are.

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• Snails are so diverse that there are land snails, sea snails and freshwater snails.
• There are thousands of species of snails.

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