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ANNELIDS (RINGED WORMS)

ANNELIDS (RINGED WORMS). Výukový materiál OR 03 - 70 Tvůrce: Mgr. Alena Výborná Tvůrce anglické verze: ThMgr. Ing. Jiří Foller Projekt: S anglickým jazykem do dalších předmětů Registrační číslo: CZ.1.07/1.1.36/03.0005 Tento projekt je spolufinancován ESF a SR ČR. ANNELIDS.

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ANNELIDS (RINGED WORMS)

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  1. ANNELIDS (RINGED WORMS) Výukový materiál OR 03 - 70 Tvůrce: Mgr. Alena Výborná Tvůrce anglické verze: ThMgr. Ing. Jiří Foller Projekt: S anglickým jazykem do dalších předmětů Registrační číslo: CZ.1.07/1.1.36/03.0005 Tento projekt je spolufinancován ESF a SR ČR

  2. ANNELIDS • worm-like shape of the body • fresh water, salty water and terrestrial • they need moisture • body separated into regular links

  3. ANNELIDS • Polychaetes (many hairs) • Clitellates (with a collar) • LEECH

  4. POLYCHAETES • mostly in the sea • the most beautiful is sea mouse (Aphrodita aculeata) • it lives in European seas • in shallow water among stones • it is a predator

  5. POLYCHAETES – SEA MOUSE

  6. POLYCHAETES • bearded fireworm • it lives on the lower side of stones in the shore part of the sea

  7. CLITELLATES • COLLAR • it makes easier the transmission of sexual cells • it makes a covering around laid eggs • it enlarges in the time of reproduction • common earthworm • sludge worm (Tubifex) • leech

  8. CLITELLATES • Common earthworm • It lives in most soil • It consumes decomposing stuff (destruent) • Hermaphrodite • Mating proceeds in wet nights • Great importance by hoeing and aerating of the soil

  9. CLITELLATES – common earthworm

  10. CLITELLATES • Sludge worm • in the mud of backwater and slowly flowing water • it feeds on decomposing stuff

  11. CLITELLATES • Leech • body on both the ends equipped with suckers • it is predacious or sucks the blood • it lives mainly in fresh water • in the tropical zone also terrestrial • horse leech • eight-eyed leech • fish leech (it sucks the fish blood)

  12. CLITELLATES – horse leech

  13. CLITELLATES

  14. REVISION: • 1) The body of annelids is created from… • regular links • 2) In European seas in shallow water live… • sea mouse • 3) In the mud of backwater lives… • sludge worm • 4) It sucks blood on fish… • Fish leech • 5) Transmission of sexual cells by common earthworm is made easier by… • collar

  15. SOURCES: • DOBRORUKA, Luděk J. Přírodopis pro 7. ročník základní školy. 1. vyd. Praha: Scientia, 1998, 152 s. ISBN 80-718-3134-4 • Obrázky: http://commons.wikimedia.org (osvobozeno od autorských práv)

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