{"id":733,"date":"2026-03-01T23:10:55","date_gmt":"2026-03-01T23:10:55","guid":{"rendered":"https:\/\/tahricteaches.com\/giant-african-snails-intermediate\/"},"modified":"2026-04-06T16:33:43","modified_gmt":"2026-04-06T16:33:43","slug":"giant-african-snails-intermediate","status":"publish","type":"post","link":"https:\/\/tahricteaches.com\/cs\/obri-africti-sneci-stredne-pokrocili\/","title":{"rendered":"Pracovn\u00ed list ESL pro ob\u0159\u00ed africk\u00e9 \u0161neky | PDF pro \u010dten\u00ed pro st\u0159edn\u011b pokro\u010dil\u00e9 zdarma"},"content":{"rendered":"
\ud83d\udcd8 Pot\u0159ebujete jednodu\u0161\u0161\u00ed verzi?<\/strong> Vyzkou\u0161ejte Element\u00e1rn\u00ed verze (\u00farove\u0148 C)<\/strong><\/a> tohoto pracovn\u00edho listu!<\/div>\n
\"Ob\u0159\u00ed<\/figure>\n

\u010cten\u00ed pas\u00e1\u017ee<\/h2>\n

Ob\u0159\u00ed afri\u010dt\u00ed \u0161neci pat\u0159\u00ed mezi nejv\u011bt\u0161\u00ed suchozemsk\u00e9 \u0161neky na sv\u011bt\u011b. masivn\u00ed<\/strong> Tito tvorov\u00e9 mohou dor\u016fst a\u017e d\u00e9lky 20 centimetr\u016f, co\u017e je zhruba velikost dosp\u011bl\u00e9 lidsk\u00e9 ruky. P\u016fvodn\u011b poch\u00e1zej\u00ed z v\u00fdchodn\u00ed Afriky, ale roz\u0161\u00ed\u0159ili se do mnoha zem\u00ed po cel\u00e9m sv\u011bt\u011b. Jejich hn\u011bd\u00e9 krun\u00fd\u0159e maj\u00ed kr\u00e1sn\u00e9 spir\u00e1la<\/strong> vzory, kter\u00e9 jim pom\u00e1haj\u00ed splynout s lesn\u00ed p\u016fdou. V\u011bdci studuj\u00ed tyto \u0161neky, aby se dozv\u011bd\u011bli v\u00edce o bezobratl\u00ed<\/strong> a jak se zv\u00ed\u0159ata p\u0159izp\u016fsobuj\u00ed nov\u00e9mu prost\u0159ed\u00ed.<\/p>\n

Tito \u0161neci jsou no\u010dn\u00ed<\/strong> zv\u00ed\u0159ata, co\u017e znamen\u00e1, \u017ee jsou nejaktivn\u011bj\u0161\u00ed v noci. B\u011bhem dne se schov\u00e1vaj\u00ed pod listy a kameny, aby se ochladili a udr\u017eeli v chladu a vlhkosti. Jed\u00ed v\u00edce ne\u017e p\u011bt set r\u016fzn\u00fdch druh\u016f rostlin, co\u017e z nich d\u011bl\u00e1 velmi adaptabiln\u00ed<\/strong> jedl\u00edci. Ob\u0159\u00ed afri\u010dt\u00ed \u0161neci miluj\u00ed ovoce, zeleninu a dokonce i k\u016fru strom\u016f. Jejich chu\u0165<\/strong> je tak velk\u00fd, \u017ee ho zem\u011bd\u011blci v mnoha zem\u00edch pova\u017euj\u00ed za nebezpe\u010dn\u00e9ho \u0161k\u016fdce.<\/p>\n

\"Ob\u0159\u00ed<\/figure>\n

Jedn\u00edm \u00fa\u017easn\u00fdm faktem o ob\u0159\u00edch africk\u00fdch \u0161nec\u00edch je, \u017ee se mohou do\u017e\u00edt a\u017e deseti let. Najednou kladou stovky vaj\u00ed\u010dek, co\u017e jim pom\u00e1h\u00e1... populace<\/strong> rostou rychle. Ml\u00e1\u010fata \u0161nek\u016f se l\u00edhnou z vaj\u00ed\u010dek po pouh\u00fdch dvou t\u00fddnech a okam\u017eit\u011b za\u010dnou j\u00edst. \u0160neci si nos\u00ed sv\u00e9 dome\u010dky na z\u00e1dech a mohou ustoupit<\/strong> uvnit\u0159, kdy\u017e vyc\u00edt\u00ed nebezpe\u010d\u00ed. Jejich krun\u00fd\u0159e je chr\u00e1n\u00ed p\u0159ed pred\u00e1tory a drsn\u00fdmi pov\u011btrnostn\u00edmi podm\u00ednkami po cel\u00fd \u017eivot.<\/p>\n

V n\u011bkter\u00fdch zem\u00edch lid\u00e9 chovaj\u00ed ob\u0159\u00ed africk\u00e9 \u0161neky jako exotick\u00fd<\/strong> dom\u00e1c\u00ed mazl\u00ed\u010dci. Snadno se o n\u011b pe\u010duje a je zaj\u00edmav\u00e9 je pozorovat. Vlastnit tyto \u0161neky je v\u0161ak na mnoha m\u00edstech neleg\u00e1ln\u00ed, proto\u017ee mohou po\u0161kozen\u00ed<\/strong> m\u00edstn\u00ed ekosyst\u00e9my a plodiny. Kdy\u017e jsou vypu\u0161t\u011bny do voln\u00e9 p\u0159\u00edrody, sout\u011b\u017e\u00ed s p\u016fvodn\u00edmi zv\u00ed\u0159aty o potravu a prostor. Ekologick\u00e9 skupiny usilovn\u011b pracuj\u00ed na tom, aby kontrolovaly jejich \u0161\u00ed\u0159en\u00ed v oblastech, kam nepat\u0159\u00ed.<\/p>\n

V\u011bdci pokra\u010duj\u00ed ve v\u00fdzkumu ob\u0159\u00edch africk\u00fdch \u0161nek\u016f pro l\u00e9ka\u0159sk\u00e9 a... biologick\u00fd<\/strong> \u00fa\u010dely. Jejich sliz obsahuje b\u00edlkoviny, kter\u00e9 mohou pomoci rychlej\u0161\u00edmu hojen\u00ed ran. N\u011bkter\u00e9 kultury pou\u017e\u00edvaj\u00ed \u0161ne\u010d\u00ed sliz v kosmetick\u00fdch produktech pro zdrav\u011bj\u0161\u00ed ple\u0165. P\u0159esto\u017ee jsou tito tvorov\u00e9 pova\u017eov\u00e1ni za \u0161k\u016fdce, u\u010d\u00ed n\u00e1s d\u016fle\u017eit\u00e9 lekce o p\u0159\u00edrod\u011b. Pochopen\u00ed ob\u0159\u00edch africk\u00fdch \u0161nek\u016f n\u00e1m pom\u00e1h\u00e1 chr\u00e1nit divokou zv\u011b\u0159 i zem\u011bd\u011blstv\u00ed po cel\u00e9m sv\u011bt\u011b.<\/p>\n

\n
St\u00e1hnout pracovn\u00ed list k tisku v PDF<\/a><\/div>\n<\/div>\n

\u00darove\u0148:<\/strong> \u00darove\u0148 F<\/p>\n

A. P\u00e1rov\u00e1n\u00ed slovn\u00ed z\u00e1soby<\/h2>\n

P\u0159i\u0159a\u010fte ka\u017ed\u00e9 slovo k jeho definici.<\/em><\/p>\n

\n
\n

1. masivn\u00ed<\/strong> ______<\/p>\n

2. spir\u00e1la<\/strong> ______<\/p>\n

3. bezobratl\u00ed<\/strong> ______<\/p>\n

4. no\u010dn\u00ed<\/strong> ______<\/p>\n

5. adaptabiln\u00ed<\/strong> ______<\/p>\n

6. chu\u0165<\/strong> ______<\/p>\n

7. populace<\/strong> ______<\/p>\n

8. ustoupit<\/strong> ______<\/p>\n

9. exotick\u00fd<\/strong> ______<\/p>\n

10. biologick\u00fd<\/strong> ______<\/p>\n<\/div>\n

\n

a. zak\u0159iven\u00fd vzor, kter\u00fd se vine kolem st\u0159edu<\/p>\n

b. celkov\u00fd po\u010det druh\u016f v dan\u00e9 oblasti<\/p>\n

c. siln\u00e1 touha nebo pot\u0159eba j\u00eddla<\/p>\n

d. neobvykl\u00e9 nebo z ciz\u00ed zem\u011b<\/p>\n

e. souvisej\u00edc\u00ed s \u017eiv\u00fdmi organismy a \u017eivotn\u00edmi procesy<\/p>\n

f. ustoupit nebo st\u00e1hnout se do bezpe\u010d\u00ed<\/p>\n

g. aktivn\u00ed p\u0159ev\u00e1\u017en\u011b v noci<\/p>\n

h. zv\u00ed\u0159ata bez p\u00e1te\u0159e nebo p\u00e1te\u0159e<\/p>\n

i. schopn\u00fd se p\u0159izp\u016fsobit nov\u00fdm podm\u00ednk\u00e1m<\/p>\n

j. extr\u00e9mn\u011b velk\u00fd co do velikosti nebo mno\u017estv\u00ed<\/p>\n<\/div>\n<\/div>\n

B. Pravda nebo nepravda<\/h2>\n

Pro ka\u017ed\u00e9 tvrzen\u00ed napi\u0161te T (Pravda) nebo N (Nepravda).<\/em><\/p>\n

    \n
  1. Ob\u0159\u00ed afri\u010dt\u00ed \u0161neci mohou dor\u016fst a\u017e do d\u00e9lky dvaceti centimetr\u016f. ______<\/li>\n
  2. Tito \u0161neci jsou nejaktivn\u011bj\u0161\u00ed b\u011bhem dne. ______<\/li>\n
  3. Ob\u0159\u00ed afri\u010dt\u00ed \u0161neci se \u017eiv\u00ed pouze jedn\u00edm druhem rostliny. ______<\/li>\n
  4. \u0160neci se mohou do\u017e\u00edt a\u017e deseti let. ______<\/li>\n
  5. Ml\u00e1\u010fata \u0161nek\u016f se l\u00edhnou po dvou t\u00fddnech. ______<\/li>\n
  6. Vlastnictv\u00ed t\u011bchto \u0161nek\u016f je leg\u00e1ln\u00ed v\u0161ude. ______<\/li>\n
  7. \u0160ne\u010d\u00ed sliz m\u016f\u017ee pomoci hojit r\u00e1ny. ______<\/li>\n
  8. \u0160neci p\u016fvodn\u011b poch\u00e1zej\u00ed z Ji\u017en\u00ed Ameriky. ______<\/li>\n
  9. Jejich krun\u00fd\u0159e je chr\u00e1n\u00ed p\u0159ed pred\u00e1tory. ______<\/li>\n<\/ol>\n
    \"Ob\u0159\u00ed<\/figure>\n

    C. Dopl\u0148te mezery<\/h2>\n

    Slovn\u00ed z\u00e1soba:<\/strong> masivn\u00ed | no\u010dn\u00ed | p\u0159izp\u016fsobiv\u00fd | populace | \u00fastup | exotick\u00fd | chu\u0165 k j\u00eddlu<\/p>\n

      \n
    1. Ob\u0159\u00ed afri\u010dt\u00ed \u0161neci jsou _______________ tvorov\u00e9, kte\u0159\u00ed mohou dor\u016fst do velk\u00fdch rozm\u011br\u016f.<\/li>\n
    2. Tito \u0161neci jsou _______________ zv\u00ed\u0159ata, kter\u00e1 jsou nejaktivn\u011bj\u0161\u00ed v noci.<\/li>\n
    3. Jsou to _______________ jedl\u00edci, kte\u0159\u00ed dok\u00e1\u017e\u00ed p\u0159e\u017e\u00edt na mnoha r\u016fzn\u00fdch potravin\u00e1ch.<\/li>\n
    4. Kdy\u017e jsou \u0161neci v nebezpe\u010d\u00ed, zav\u0159ou se _______________ do sv\u00fdch ochrann\u00fdch ulit.<\/li>\n
    5. Jejich obrovsk\u00e9 _______________ z nich \u010din\u00ed v\u00e1\u017enou hrozbu pro \u00farodu zem\u011bd\u011blc\u016f.<\/li>\n<\/ol>\n

      D. Ot\u00e1zky k porozum\u011bn\u00ed textu<\/h2>\n
        \n
      1. Jak velk\u00fdmi mohou b\u00fdt ob\u0159\u00ed afri\u010dt\u00ed \u0161neci?<\/li>\n
      2. Odkud p\u016fvodn\u011b poch\u00e1zej\u00ed ob\u0159\u00ed afri\u010dt\u00ed \u0161neci?<\/li>\n
      3. Pro\u010d farm\u00e1\u0159i pova\u017euj\u00ed tyto \u0161neky za nebezpe\u010dn\u00e9 \u0161k\u016fdce?<\/li>\n
      4. Jak\u00e9 je jedno l\u00e9ka\u0159sk\u00e9 vyu\u017eit\u00ed \u0161ne\u010d\u00edho slizu, kter\u00e9 v\u011bdci objevili?<\/li>\n
      5. Pro\u010d je v mnoha zem\u00edch neleg\u00e1ln\u00ed vlastnit ob\u0159\u00ed africk\u00e9 \u0161neky?<\/li>\n<\/ol>\n
        \"Ob\u0159\u00ed<\/figure>\n

        E. Ot\u00e1zky k diskusi<\/h2>\n

        Promluvte si o t\u011bchto ot\u00e1zk\u00e1ch s partnerem nebo si napi\u0161te sv\u00e9 odpov\u011bdi.<\/em><\/p>\n

          \n
        1. Cht\u011bli byste si jako dom\u00e1c\u00edho mazl\u00ed\u010dka ob\u0159\u00edho africk\u00e9ho \u0161neka? Pro\u010d ano, nebo pro\u010d ne?<\/li>\n
        2. Jak si mysl\u00edte, \u017ee bychom m\u011bli kontrolovat invazn\u00ed druhy, jako jsou tito \u0161neci?<\/li>\n
        3. Jak\u00e1 dal\u0161\u00ed zv\u00ed\u0159ata v\u00e1s napadaj\u00ed, kter\u00e1 nos\u00ed sv\u00e9 domy na z\u00e1dech?<\/li>\n<\/ol>\n
          \n\ud83d\udcdd Kliknut\u00edm zobraz\u00edte kl\u00ed\u010d k odpov\u011bd\u00edm<\/summary>\n
          \n

          Zkontrolujte si sv\u00e9 odpov\u011bdi n\u00ed\u017ee.<\/em><\/p>\n

          A. Slovn\u00ed z\u00e1soba:<\/strong> 1-j, 2-a, 3-h, 4-g, 5-i, 6-c, 7-b, 8-f, 9-d, 10-e<\/p>\n

          B. Pravda\/Nepravda:<\/strong> 1-T, 2-P, 3-P, 4-T, 5-T, 6-P, 7-T, 8-P, 9-T<\/p>\n

          C. Dopl\u0148te pr\u00e1zdn\u00e1 m\u00edsta:<\/strong> 1-masivn\u00ed, 2-no\u010dn\u00ed, 3-p\u0159izp\u016fsobiv\u00fd, 4-\u00fastupn\u00fd, 5-chu\u0165 k j\u00eddlu<\/p>\n

          D. Porozum\u011bn\u00ed:<\/strong> 1. A\u017e 20 cm dlouh\u00e9 (velikost dosp\u011bl\u00e9 ruky); 2. V\u00fdchodn\u00ed Afrika; 3. Jed\u00ed v\u00edce ne\u017e 500 druh\u016f rostlin a ni\u010d\u00ed \u00farodu; 4. Obsahuje b\u00edlkoviny, kter\u00e9 mohou pomoci rychleji hojit r\u00e1ny; 5. Po\u0161kozuj\u00ed m\u00edstn\u00ed ekosyst\u00e9my a konkuruj\u00ed p\u016fvodn\u00edm zv\u00ed\u0159at\u016fm.<\/p>\n<\/div>\n<\/details>\n

          \n

          Prohl\u00e9dn\u011bte si na\u0161i kompletn\u00ed kolekci bezplatn\u00e9 pracovn\u00ed listy a studijn\u00ed materi\u00e1ly pro angli\u010dtinu jako druh\u00fd jazyk<\/a> pokr\u00fdvaj\u00edc\u00ed tchajwanskou kulturu, v\u011bdu, sv\u011btov\u00e9 d\u011bjiny a dal\u0161\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

          \ud83d\udcd8 Pot\u0159ebujete jednodu\u0161\u0161\u00ed verzi? Vyzkou\u0161ejte verzi tohoto pracovn\u00edho listu pro z\u00e1kladn\u00ed \u00farove\u0148 (\u00farove\u0148 C)! \u010cten\u00ed textu Ob\u0159\u00ed afri\u010dt\u00ed \u0161neci pat\u0159\u00ed k nejv\u011bt\u0161\u00edm suchozemsk\u00fdm \u0161nek\u016fm na sv\u011bt\u011b. Tito mohutn\u00ed tvorov\u00e9 mohou dor\u016fst a\u017e d\u00e9lky 20 centimetr\u016f, co\u017e je zhruba velikost dosp\u011bl\u00e9 lidsk\u00e9 ruky. P\u016fvodn\u011b poch\u00e1zej\u00ed z v\u00fdchodn\u00ed Afriky, ale\u2026<\/p>","protected":false},"author":1,"featured_media":989,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[296,49],"tags":[243,249,251,125,124,66,92,246,248,67,128,250],"class_list":["post-733","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-advanced-worksheets","category-worksheets","tag-animal-vocabulary","tag-biology","tag-ecology","tag-english-worksheet","tag-esl-science","tag-esl-worksheet","tag-free-esl-resources","tag-giant-african-snails","tag-invasive-species","tag-reading-comprehension","tag-science-vocabulary","tag-taiwan-wildlife"],"_links":{"self":[{"href":"https:\/\/tahricteaches.com\/cs\/wp-json\/wp\/v2\/posts\/733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tahricteaches.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tahricteaches.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tahricteaches.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tahricteaches.com\/cs\/wp-json\/wp\/v2\/comments?post=733"}],"version-history":[{"count":10,"href":"https:\/\/tahricteaches.com\/cs\/wp-json\/wp\/v2\/posts\/733\/revisions"}],"predecessor-version":[{"id":3665,"href":"https:\/\/tahricteaches.com\/cs\/wp-json\/wp\/v2\/posts\/733\/revisions\/3665"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tahricteaches.com\/cs\/wp-json\/wp\/v2\/media\/989"}],"wp:attachment":[{"href":"https:\/\/tahricteaches.com\/cs\/wp-json\/wp\/v2\/media?parent=733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tahricteaches.com\/cs\/wp-json\/wp\/v2\/categories?post=733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tahricteaches.com\/cs\/wp-json\/wp\/v2\/tags?post=733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}