Dabbobi na kasa da na ruwa

Wadatacce

• Misalan dabbobin ruwa
• Misalan dabbobin ƙasa

Ofaya daga cikin rarrabuwa na yau da kullun yana raba dabbobin ƙasa daga na ruwa, dangane da yanayin da suke rayuwa. Bambanci, a zahiri, galibi yana da alaƙa da tsarin numfashi, tunda ya zama ruwan dare ga dabbobin ƙasa don haɗa iskar oxygen daga cikin iska, yayin da dabbobin ruwa ke da gills don fitar da iskar oxygen a cikin ruwa.

DABABBAN KWAYOYI

The dabbobin ruwa Su ne waɗanda suka dogara da ruwa don rayuwarsu, yawancinsu suna iya yin numfashi a ciki. Akwai wasu, duk da haka, cewa duk da kasancewa cikin ruwa, dole ne su zo saman don ɗaukar iskar oxygen.

Gabaɗaya, kayan aikin zahiri na dabbobin ruwa na musamman ne kuma yana da alaƙa da wannan buƙata don rayuwa a cikin wannan yanayin, tunda wasu suna da fikafikai, wasu fayafai na basal ko bawo: Wannan nau'in dabbobin dole ne su dace da yanayin rayuwar teku, ga igiyar ruwa da kuma hanyoyin ruwa daban -daban da ake samarwa. Sikeli da kodadde jini suma siffofin bayyanar irin wannan rayuwa ce, tunda dole ne su dace da yanayin yanayin ruwa daban -daban.

Wataƙila nau'in dabbar da ta fi dacewa da yanayin ruwa shine kifi, basa buƙatar fita daga cikin ruwa don kowane buƙatun su (a maimakon haka, fita daga cikin ruwa shine ke kashe su). Yawan kifaye a duniya ya sa su zama ƙungiya a cikin ta, mallakar ta rukuni na kasusuwa tare da gills don yin numfashi a ƙarƙashin ruwa. Duk da haka, da yawa daga cikin dabbobin ruwa suna shiga cikin wasu nau'ikan, kamar masu shayarwa na ruwa ko echinoderms na ruwa.

Misalan dabbobin ruwa

DABBOBI KASA

Rayuwa da motsi a ƙasa ko a cikin iska shine babban sifar dabbobin ƙasa. Wannan halayyar ita ce ke sanya duk dabbobin da akwai shakku game da su an rubuta su a cikin rukunin na duniya: wannan rukunin ya haɗa da dabbobin da ke rayuwa a ƙasa amma suna ciyar da yawancin lokacin su cikin ruwa, ko dabbobin da ke rayuwa a ƙasa. Kwari ko kaguwa waɗanda ke da matakin ruwa a cikin tsarin rayuwa.

Dangane da ilimin asalin jinsuna, dabbobin kasa ba su ne suka fara bayyana ba, amma sun fito ne daga dabbobin ruwa.

Bayan haka, an sami sauyi daga yuwuwar rayuwa a cikin yanayin ruwa zuwa yanayin ƙasa (shaidar burbushin halittu yana nuna cewa kutsawa ta farko akan ƙasa da halittun teku suka yi kusan shekaru miliyan 530 da suka gabata). Ga adadi mai yawa na dabbobi, an sami yuwuwar rayuwa a cikin yanayin ƙasa a cikin lokacin paleozoic ko Mesozoic, kuma ga wasu ƙarancin lokacin cenozoic.

A cikin rukunin ƙasa, ana iya yin rarrabuwa ta nau'in abinci (tsakanin masu cin nama, masu cin ganyayyaki, omnivores da frugivores), ko rarrabuwa ta ajin dabbobin (tsakanin dabbobi masu shayarwa, tsuntsaye, dabbobi masu rarrafe, mollusks da echinoderms).

Misalan dabbobin ƙasa

• Misalan Hijira Dabbobi
• Misalan Dabbobin Dabbobi
• Misalan Dabbobi masu rarrafe