Mollusks

Anter

• Nā ʻano mollusks
• Morphology
• Hanai ana
• Kahi noho
• Nā laʻana o mollusks

ʻO nā Mollusks he holoholona invertebrate i hōʻike ʻia e ka loaʻa ʻana o kahi kino palupalu me ka wāwae muscular i uhi ʻia e ka exoskeleton a me ka iwi i hoʻoulu ʻia. He mau holoholona wai lākou.

Nā ʻano mollusks

ʻEkolu mau papa like ʻole a i ʻole nā ​​ʻano mollusks.

• Gastropods. ʻO nā kuhū a me nā slug. Ma kahi o 80% o nā mollusks o kēia papa.
• ʻO Cephalopods. ʻOheʻe, heʻe a me ka ʻoki. He pūʻulu liʻiliʻi ia akā ua ulu nui aʻe.
• ʻO Vivalves. I loko o kēia hui he clams, mussels a ʻōsters. ʻO ke ʻano o kēia subgroup ʻo ia ka mea hoʻokahi o nā subtypes ʻekolu i loaʻa ʻole kahi radula. Pāleʻa, mussels a me nā ʻōhiʻa. ʻO lākou wale nō ka poʻe i loaʻa ʻole kahi radula.

Morphology

• ʻŌnaehana hanu. Hanu ka hapa nui o nā mollusks ma o nā gills, ʻoiai ua ulu kekahi mau ʻano i kahi ʻōnaehana hanu pulmonary.
• ʻŌnaehana Digestive. Hānai nā Mollusks ma o kahi ʻokana i kapa ʻia radula ua like me ke alelo. Kāhea ʻia ka ʻahuʻula, uhi kēia ʻōnaehana i ka nui visceral a ma kekahi mau ʻano huna huna i ka calcium carbonate e hana i ka pūpū.
• ʻŌnaehana Kaapuni. Loaʻa iā lākou kahi naʻau, aorta, a me nā kīʻaha koko.
• ʻŌnaehana hoʻohua. ʻO nā mollusks he oviparous, ʻo ia hoʻi, hoʻohua lākou i ke kau ʻana i nā hua manu e ka wahine. Noho kaʻawale ko lākou ʻano, ʻaʻole pinepine ka ʻike ʻana iā lākou i nā hui, koe wale nō ke hānau lākou. Hermaphrodites nā mollusks he nui.

Hanai ana

Hoʻololi ke ʻano o ka hānai ʻana i nā mollusks e like me kēlā me kēia ʻano. ʻO ka mea maʻamau, ʻo nā mollusks ʻāina he mau lāʻau ʻōpala, ʻoiai nā mollusks wai he carnivores, ʻoiai hoʻokumu lākou i kā lākou papaʻai i ka plankton a me nā limu.

Kahi noho

E pili ana i ko lākou wahi noho, hiki i nā mollusks ke noho ma lalo o ka wai, ma lalo o ke kai (ʻo 23% ia o nā holoholona kai a me nā wai hou), akā hiki nō hoʻi iā lākou ke maʻa a ola ma kahi o 3,000 mau mika ma mua o ka pae kai mauka.

Nā laʻana o mollusks