The iri kifi da kuma mazauninsu

Kowane kai mutunta masunci ya sani cewa akwai wata babbar dama kifi a duniya. Bisa ga tsarin, wadannan halittu suke chordates, amma iri kifi jere daga kananan zuwa manyan, daga teku zuwa kogin, da sauransu. A wannan labarin, za mu magana game da abin da kifi ne, inda suke zaune da kuma wanda yake shi ne halayyar jinsuna daban. Muna fatan za ku zo in m wannan bayani!

A kadan game da kifi

Kifi - a jawed vertebrate na cikin ruwa dabbobi cewa numfashi ta hanyar gills. Su zauna a kusan duk wani jiki na ruwa: a cikin m da kuma sabo ne, daga qarqashinsu da kuma kawo karshen tekuna. Kamar yadda aka ambata a sama, kifi ya kasance a cikin tsirkiya type, domin suna da wani ciki kwarangwal tare da axis, da ake kira tsirkiya.

Jinsunan waterfowl a duniya a 'yan shekaru da suka wuce sun fiye da miliyan 34. A kimiyya, akwai wani musamman sashen kishin nazarin kifi. Shi ne ake kira ichthyology.

jinsunan kifaye

Kamar yadda aka sani, da iri kifi - yana da wata babbar sashe na ichthyology. Eh, ba shakka, masana kimiyya ya kebe da yawa lokaci karatu wadannan dabbobi. Kifi ne tsirkiya type, kamar yadda aka ambata a sama, amma kowanne yana da halaye kifi.

Physiology da kuma ilimin halittàr jiki da kifi

Duk wanda yake na ga irin chordate kifi, ya rufe tare da fata da kuma Sikeli (sai dai rare lokuta). Skin aka hada biyu da janareto: da epidermis kuma dermis. A epidermis tasowa a asirce, kyale fata za a kare. Da samuwar ma'aunan yana da babbar rawa dermis - ciki fata Layer.

A fitar kasusuwan jikinsu kifi, a matsayin adawa da wasu, akwai daban-daban iri Sikeli. kifi iri, mafi daidai, da kifi na zuwa daya ko wani irin, sanin da halaye na flake coatings. Saboda haka, sturgeon ganoid ma'auni. An kafa daga kostevyh rufi faranti ganoinom. Ma'aunan fitar kasusuwan jikinsu kifi rai a zamaninmu aka kira elasmoidnoy da aka raba a taso da toothed. Flakes da irin wannan tsari da damar gaba da raya faranti zoba. Ba haka ba da dadewa, masana kimiyya sun gano cewa, saboda da surface na tsefe zira kwallon Sikeli a waterfowl ya karu hydrodynamic Properties.

Coloring kifi ya da wata babbar kewayon launuka, haka ma, wasu daga cikin launuka suna "gargadi" da damar da jiki ya zama hadari, kasancewa kusa da wani predator. launi kuma iya zama kodadde, yashi, yashi. A duk ya dogara da yanayi, da halaye na ruwa a jikinsu. Abin da iri kifi, su oruzhayuschaya yanayi irin wannan da kuma canza launi.

Musculoskeletal tsarin kifi - ne ta tsarin na tsokoki da kuma kasusuwa. Sai dai itace cewa kafin sunã da wata uku biyu daga gills, amma sai hukumomi sun samo asali a cikin muƙamuƙi. Kifi iyo kai tsaye via guda biyu da kuma unpaired fins. Bugu da ƙari, godiya ga ƙege da suka yi wuya horar da.

Ƙege kashi na cikin ruwa dabbobi da fitar kasusuwan jikinsu haskoki da kuma m - guringuntsi. Mai kifi a matsayin farko "motor" da aka yi amfani da wutsiya filafilin kifi. A kashin baya na kifi aka kafa ta hanyar raba nesroschennym vertebrae. A tsari na yin iyo kifi ne saboda da akan rage tsokoki da cewa suna haɗe da kashin baya tendons.

Tsokoki na kifi ne "m" da "sauri" tsokoki. Bã su da wani sosai ci gaba gabar touch da kanshi ya taimake su kewaya daidai a cikin yanayi inda suka kasance, da kuma kauce wa ya fi karfinsu wurare. Mai chordate kifi yana da wani 2-jam'iyya zuciya, wurare dabam dabam, rufe jijiyoyi. Jini da aka kẽwayãwa ta cikin gills da Tel'nov nama daga zuciya.

Ikon a wadannan halittu masu rai ne kamar haka: kifi abinci kama, ajiye ta hakora. The abinci daga bakin cikin makogwaro haka, sa'an nan a cikin ciki inda shi ne bi da tare da enzymes daga cikin ciki ruwan 'ya'yan itace. Kifi da manyan selection na abinci. Suna iya ci plankton crumbs, tsutsotsi, da sauran juveniles, da kuma wasu ko da ya fi girma 'yan aji. Amma a general, akwai herbivorous kifi, da yara da kuma deritofagami. Mene ne mafi ban sha'awa, da dama ne iya canza su irin abincin da, misali, a farkon rayuwa ne earthworm da plankton, kazalika da manya ci kananan ko manyan wakilan da na cikin ruwa yanayi.

A kifi, akwai matsaloli tare da matsa lamba, misali, su matsa lamba iya zama m fiye da na yanayi matsa lamba, amma saboda da cewa wadannan halittu tãyar da urea, da matsa lamba da aka kayyade.

ƙarshe

Saboda haka, za mu iya cewa da iri kifi ne sosai bambancin, kuma kowane daga cikinsu halin da daban-daban tsarin, size, rage cin abinci, hali. Su ne duk daban-daban, da kuma masunta kafin a kama kifi, shi wajibi ne don koyi duk game da su!