Tuki ikon kewaye halayyar Arctic hamada: embodiments, ainihin abubuwan

Sau da yawa cikin darussan da na halitta tarihi ba irin wannan aiki: "Ku gina da wadata da sarkar makirci." Makaranta ilmi iya yin wannan riga makarantar firamare dalibai. Wannan irin wannan aikin yana taimakonka duba yadda kyau da dalibi yana da bayanai game da dabbobi da kuma shuke-shuke da wani Locality. Tun da kana bukatar ka yi a isasshe m bayanai, da aiki ba wani haske sallama. A labarin da za a ba da ikon kewaye zane, halayyar Arctic hamada, kuma ba a definition kuma bayyana ka'idojin yi.

Supply sarkar: abin da yake da shi?

Mene ne wani abinci sarkar? Shi ne ba wani asirin da cewa rayuwa a duniya da aka orbiting: wasu kwayoyin, ana haifuwarsu ne ba kwayoyin kayan for ci gaba da kuma ci gaban da sauransu. Mutane da yawa abubuwa masu rai - shuka-cin, wasu (ciki har da mutane) - da yara.

A farkon kowane sarkar ne shuke-shuke (plankton ko, a cikin hali na cikin ruwa yanayi), nan - da herbivorous kwari ko dabbobi. A saman - a predator. Sha'awa, idan Fading akalla daya kewaye da rabi, akwai nau'i nau'i da kuma sauran, saboda dangane da aka yanke. Bari mu bincika wani takamaiman misali.

Yadda za a yi da wadata sarkar zane, hankula steppe zone? Don fara ne hukunci wanda shuke-shuke da dabbobi zauna wannan ƙasa. Yana aka mamaye fari-resistant ciyawa da furanni, kamar gashin tsuntsu ciyawa ko hatsi. Daga cikin dabbobi a cikin steppe aka mamaye hakori. Da yara - Foxes ko gaggafa, owls. Ga misalai na sarƙoƙi: Grass - fara - rana - wani steppe mikiya. Ko wannan: hatsi - linzamin kwamfuta-vole - fox.

Arctic hamada: yanayin siffofin

Kafin mu yi magana game da abin da wadata sarkar zane, halayyar Arctic hamada, ya kamata fahince wannan sauyin yanayi zone. Wannan yankin ne sosai matalauta a cikin matsananci yanayi a kan Flora da fauna.

A duniya an rufe shi da wata Layer na permafrost, don haka kusan babu ciyayi: kawai rare ciyawa, mosses da lichens. Aƙalla guda shi ne yanayin da terrestrial dabbobi: kawai lemmings, Arctic Foxes da iyakacin duniya Bears. Don ƙasar za a iya dangana ga tsuntsu mazauna - a lokacin rani watanni, da tsuntsaye suka yi sheƙarsu a kan cliffs.

A cikin ruwan Arctic Ocean sanaki walruses da like, da kuma wasu iri Arctic kifi.

Plankton - kifi - like - iyakacin duniya bear

Bari mu bincika yadda rayayyun kwayoyin halitta ciyar a kan a yankin. A farko kewaye wadata kewaye halayyar Arctic hamada ta fara da plankton. Wannan micro-kwayoyin cewa zauna cikin ruwa. Ba za su iya tsayayya da ya kwarara, don haka da free taso kan ruwa a cikin ruwa shafi. Da ɗari biyu da jinsunan phytoplankton aka gabatar a wannan yanki (shi yake iya photosynthesis) da kuma kamar yadda da yawa daga cikin zooplankton (single-celled protozoans da crustaceans).

Next mahada - kifi. Its a cikin Arctic Ocean sanaki fiye da 150 jinsunan. Daga cikin su akwai wakilan cod, kifi, zurfin, herring. Dukan su suna saba da yanayi mai wahala da na arewa.

Kifi feed a like. Wadannan dabbobi masu shayarwa suna flippers-gunduwa ta hanyar abin da matsawa sosai a karkashin ruwa. Front fika.

Wannan wutar lantarki kewaye a cikin Shiyyar arkticherskih fari Hamada ƙare bear. Shi ne mafi girma predator a cikin Arctic ne ba kawai, amma kuma a duk faɗin duniya. Matsakaicin nauyi na dabba - ton, a tsawon mutane isa mita uku. Suka ciyar a kan like. Shin shi wannan hanyar: a laɓe for ganima, bugun jini mai iko paws buga a kai (stun) da kuma jan fitar zuwa ga tudu.

Sedge - Lemming - fox

Wani kewaye zane na da ikon halayyar da Arctic hamada ta fara da sedges. Wannan shi ne kawai ganye da ke tsiro a yankin. Ko da yake da shuka ne unpretentious, da kuma rufe su yankin ne kadan.

Sedge ci hakori. A cikin Arctic, su aji aka wakilta lemmings. Wadannan kananan dabbobi, da dangi na hamsters iya ci sau da yawa da nauyi. A kananan jiki kusa da kai da kunnuwa da stubby kafafu - Waɗannan su ne halaye na wannan rodent. Lemming Jawo launi dabam dangane da lokaci na shekara: daga m-kasa-kasa da haske a lokacin rani, kusan farin cikin hunturu.

A saman sarkar iyakacin duniya fox - fox. Daga ya ma'abũcin zumunta aji - talakawa fox - mai predator yana da wani karin stocky jiki, taso keya hancinsa da kuma wadanda ba m kunne bawo, daga m Fluffy Jawo su ne kusan ba bayyane. A general, da fox ba ji ƙyama daga wani shuke-shuke, ba dabbobi. Ya iya ci, kamar cloudberries, kuma hakori. Fox bai ji ƙyama da kuma kifi, saboda wasu dalilai stranded.