Type Coelenterates: general halaye

Daya daga cikin na farko kungiyoyin na kwayar dabbobi - rubuta Coelenterates. Grade 7, wanda ya hada da wani ilmin dabbobi Hakika nazarin daki-daki, duk da tsarin siffofin wadannan ban mamaki tãlikai. Bari mu sake tuna abin da suka kasance.

Rubuta Coelenterates: Biology

Name din naúrar na wadannan dabbobi ne saboda tsarin da wannan sunan. Shi ne ake kira da hanji kogo, da kuma ta wakilai da iri daban-daban: polyps da kuma manyan kulla rai, kuma rayayye motsi jellyfish. Halaye kamar coelenterates kamar yadda yake gaban musamman Kwayoyin. Amma duk da wannan ci gaba da siffa daga cikin tsarin da jiki na wadannan dabbobi ba ya samar da wadannan tsokoki.

mazauninsu, kuma size matsakaici

Wadannan farko daga cikin wadannan kwayar dabbobi za a iya samu a sabo ne da kuma gishiri ruwan daban-daban climatic zones. Rubuta Coelenterates (7 aji na wani m makaranta a wasu daki-daki na nazarin batun) da aka wakilta kananan samfurori da diamita na 'yan millimeters, da giant jellyfish tare da dogon tentacles up to 15 mita. Saboda haka, yanayin da tafki, inda suke zaune, na iya zama daban-daban. Saboda haka, kananan ruwa tare hydra rayuwa a cikin kananan kududdufai, da murjãni polyps samar da sararin mazauna a cikin wurare masu zafi da tekuna.

Type Coelenterates: general halaye

A jikin ta ƙunshi dukan coelenterates dama cell iri, kowanne daga abin da ya aikata wani takamaiman aiki, kamar wuya gawarwakin shirya dabbobi.

Babban halayyar coelenterates - shi ne gaban harbin Kwayoyin. Sun kunshi wani kwantena a cikin abin da Twisted thread ciwon kaifi karshen. Top Kwayoyin ne m gashi. Lokacin da ya shãfi jikin wanda aka azabtar, sa'an nan spins da glares a ta da ƙarfi. A sakamakon haka, shi yana da paraliziruyuschee tasiri. Next, ta amfani da tentacles wakilan irin wannan yana sanya hadaya a cikin hanji lumen. Kuma aiwatar da narkewa kwayoyin halitta farawa a nan. Kuma ya taimake shi gudanar da narkewa kamar, kuma glandular Kwayoyin.

Coelenterates irin halin da babban mataki na farfadowa. Masana kimiyya sun nuna cewa ruwa tare hydra iya cikakken warke jikin 1/200 part. Kuma watakila wannan shi ne saboda da gaban matsakaici Kwayoyin. Su rayayye raba, bada Yunƙurin ga dukan sauran iri. Coelenterates da suke iya jima'i haifuwa ta hanyar hadewar qwai da maniyyi.

Jijiya Kwayoyin warwatse ko'ina cikin jiki, dauke da fitar da dangantaka da yanayi da kuma hadawa da shi a cikin wani mai jiwuwa dukan. Saboda haka, yana da matukar ban sha'awa shi ne da motsi na daya daga cikin wakilan coelenterates - hydra. Godiya ga ayyuka na fata da kuma tsoka Kwayoyin ne kamar wani Acrobat, motsi daga shugaban da tafin kafa, yin yanzu a somersault.

m matakai coelenterates

Coelenterates irin halin da karin hadaddun Physiology fiye da su magabata - protozoans da Sponges. Ko da yake akwai na kowa ãyõyi. Alal misali, gas musayar aka har yanzu faruwa ta cikin wasu inuwõyi, da kuma musamman Tsarin domin wannan ne ba a nan.

Godiya ga fata-tsoka Kwayoyin, jellyfish ne iya jet propulsion. Wannan rage su kararrawa, da ruwa da aka tura da karfi, haddasa wani kuma baya da tura.

All coelenterates ne predatory dabbobi. Tare da tentacles hakar ta bakin shiga jiki. Yadda ya dace da tsagawa aiwatar a lokaci guda tabbatar da wanzuwar iri biyu narkewa: kogo da kuma salon salula.

Domin coelenterates halin da gaban da kwayoyin mayar da martani ga ruri - reflexes. Sun bayyana a mayar da martani ga inji ko sinadaran sakamakon da muhalli. A jellyfish da ilimi na musamman m samar da rike jiki balance, da kuma ji na haske.

rai sake zagayowar

Rubuta Coelenterates ma halin da cewa da yawa daga cikin nau'in a cikin rayuwar sake zagayowar akwai wani canzawar zamaninsu. Alal misali, polyp Aurelia m ninka asexually ta hanyar budding. A tsawon lokaci, jiki na daya daga cikinsu da aka raba ta gangara constrictions. A sakamakon haka, akwai kananan jellyfish. Gani, suka kama wani tari na faranti. Daya bayan daya da suka zo kashe saman da tafi zuwa wani zaman kanta da kuma aiki salon.

Alternating jima'i da kuma asexual tsara lifecycle coelenterates inganta m karuwa a da lambar kuma mafi m waste.

Ya hada da rubuta Coelenterates azuzuwan, polyps ba cleaved. Sun samar da mazauna na m siffofi. Wannan murjani polyps. Babu canzawar zamaninsu da kuma ruwa tare hydra. Su haifa ta hanyar dake tasowa bazara da kaka je jima'i haifuwa, sa'an nan kuma mutuwa. The hadu qwai ciyar da hunturu a kasa na kududdufai. Kuma a cikin bazara na bunkasa matasa hydra.

A iri-iri na coelenterates

Type Coelenterates a yanayi da aka wakilta biyu rayuwa siffofin: polyps da jellyfish. Daya daga cikin mafi ban sha'awa wakilan da farko kungiyar ne actinium. Wannan mazauni na dumi wurare masu zafi da tekuna, wanda, godiya ga wani haske launi, kama wata dama flower. Saboda haka, na biyu sunan actinium - teku anemones. Daga cikin su akwai tace feeders da kuma yara. Kuma wasu iri teku anemones iya shiga cikin moriyar co-zama tare da sufi crabs.

Polyp yana da ikon matsar kusa da ci ragowar kwayoyin abinci arthropod. A ciwon daji cell da aka kare harbin teku anemones. Abin sha'awa, da canza daga lokaci zuwa lokaci kwatami, ya transplants akwai kuma polyp. Cancer shanyewar jiki Anemone fika, ya bar shi kadai jan gindi a cikin wani sabon gida.

A mallaka na murjani polyps samar da wata babbar tari. Alal misali, Mai girma Shamaki Reef lullube tare da bakin tekun na Australia a kan wani nesa na game 2 dubu km.

Ma'ana coelenterates a cikin yanayi da kuma rayuwar mutum

Mutane da yawa coelenterates iya zama haɗari ga dabbobi da mutane. Aiki da harbin Kwayoyin haddasa konewa. Su aqibar mutum na iya zama cramps, ciwon kai, disturbances na zuciya da kuma na numfashi gabobin. Idan lokaci ba ya taimaka, kuma zai yiwu mutuwa.

Polyps da jellyfish ne wani muhimmin mahada a cikin sarkar na samar da ruwa mazaunan. A murjani a kasashe da dama ana amfani da yin kayan ado, tsarabobi da kuma kayan gini.

Saboda haka, irin Coelenterates, a sifofinsu da aka tattauna, aka wakilta biyu rayuwa siffofin. Yana polyps da jellyfish. Wadannan dabbobi ne halin da radial fasali, da gaban musamman Kwayoyin da sãɓãwar da al'ummomi a cikin rayuwar sake zagayowar.