Jatan lande - shi decapods

Wannan halittar yanayi yana da wani m m bayyanar. Jatan lande - a denizen na duniya na ruwa da kuma fun to watch su da halayensu a cikin ruwa mask, misali, a cikin wurare masu zafi da ruwa. Idan dama lush algae, wadannan crustaceans an fara tsalle fita kamar fara ne kawai ciyawa.

Jatan lande. definition

Wannan dabba da aka optimally saba da yanayin rayuwa a cikin tẽku mai zurfi,, wanda babu shakka ya shafa da tsarin. Jatan lande - wanda shi ne wannan? Crustacean na domin Decapoda (akwai wani total of 250 danginsu da kuma game da 2000 jinsunan). Caridea (don haka ya kira mazaunan tekuna da kuma tekuna, a wani kimiyya hanya) ne yawaita a tekuna da ruwaye, za a iya samu ko da a wasu tafkunan da sabo ruwa, mafi bambancin iri suna gabatar a wurare masu zafi da ruwa. M, a Black Sea, Tekun Azov. Don da tambaya "jatan lande - yana da wata dabba ko ba?" - amsar ainihin tabbatacce, kamar yadda duk arthropod mambobi ne na dabba mulkin.

tsarin

Elongated tare da tsawon jiki dan kadan flattened a kan sãsanninku. An kasu kashi biyu main segments: ciki, cephalothorax. Na biyu sashe ne rabin na dukan jiki. A farkon da harsashi cephalothorax yana da idãnu biyu da suke a musamman rami. Cephalothorax kare chitinous harsashi, wuya da kuma m, kafa biyu faranti da kuma a haɗe zuwa gills. Amma ƙananan ɓangare na harsashi ne taushi. Girma na daban-daban irin jere daga 2 zuwa 30 santimita.

Gabar hangen nesa

Jatan lande - wannan sabon abu dabba cewa yana da wani daban-daban hangen nesa: dare da rana. Kowane idanuwanta aka hada da babban yawan fuskoki dabam-dabam, amma tare da shekarun su, yawan an girma. Faceted segments rabu pigment aibobi. Kuma kowane abu daukan wadanda haskoki cewa fada perpendicularly ga cornea. Irin wannan hangen nesan za a iya kira a mosaic. Characteristically, a cikin dare-lokaci rana pigments watsa a cikin tushe na ido, da kuma slanting haskoki iya isa akan tantanin ido: jatan lande gani abubuwa riga ya cika, amma su shaci ne Heart.

Jatan lande - shi decapods

Duk da cewa wadannan teku halittu suna ranked kamar zuwa domin na decapod, a gaskiya, suna da yawa kamar yadda goma sha tara nau'i-nau'i daga wata gabar jiki. Kuma kowane alhakin wani takamaiman mataki. Antennae, misali, amfani da taba, da kuma na bakin ciki da kuma dogon kafafu, karshen abin da suke kananan pincers, yin takamaiman ayyuka - tare da su taimako da dabba wanke jikinka da gills, idan gidan ya toshe. Sauran kafafu amfani ga motsi tare da kasa, su ne ya fi girma, kuma fiye da wasu. A ciki wata gabar jiki ana amfani da lokacin da crustacean da za a yin iyo. A karshen jiki ne m, karfi filafilin kifi. Ya juya a sharply, sa shi yiwuwa a matsawa a spurts. Lokacin da jatan lande tsaya a nan ba da zaune, misali, algae, shi take kaiwa zuwa duk bangarorin na da dogon antennae.

A feed

Jatan lande - shi ne wani omnivore. Menu, wadannan na cikin ruwa mazaunan kunshi plankton da algae, ko da ƙasa. Yawancin lokaci, wata babbar lamba na jatan lande jinsunan ne kusa da wasu kama kifi da raga da suka haka da sauri cinye kifi kama da cewa, idan lokacin bai samu magance, masunta iya samun kawai danda skeletons.

Su abinci jatan lande amfani gabobin da wari da kuma tabawa. Lokacin da asarar antennas ko ido da wannan lokaci na iya muhimmanci ƙara. A wannan dabba yana amfani da yatsun tafiya da kafafu da kuma bristles na appendages da bakinka - su ne sosai m.

haifuwa

Jatan lande ne bisexual, amma maza da mata Game gland suna kafa a daban-daban sau. Lokacin da balagarsa mutum na farko ya zama namiji, kuma a cikin shekara ta uku ta rayuwa da aka canza kama zuwa kishiyar, mace. A mãtã manne su qwai a kan gashin daga ciki kafafu, sa'an nan hatched zũriyarsu (a zahiri hankali - sa shi tare da ku), har sai da qwai hatched larvae bayyana.

kafe

Kuma da waɗannan dabbobi suna al'ada ci abinci. Recipes dafa abinci, abincin teku ciki har da data kamar yadda sinadaran, suna rare a daban-daban mutane, yafi inhabiting ƙasar. Kamar sauran abincin teku, wadannan crustaceans ne mai arziki a cikin furotin da kuma alli, ciki har da kaina a cikin wannan kananan adadin kuzari. Jita-jita da jatan lande - mai kyau tushen "daidai" cholesterol da kuma yadda abinci ne, ba shakka, sun dadi da lafiya delicacy.