![Molluscs: Masters of Adaptation](https://i.ytimg.com/vi/MJT325WAdxE/hqdefault.jpg)
Litaba
Li-mollusk ke liphoofolo tse se nang lesapo la mokokotlo tse khetholloang ka ho ba le 'mele o bonolo o nang le leoto la mesifa le koahetsoeng ke "exoskeleton" kapa "shell" e nang le khalsiamo. Hangata ke liphoofolo tsa metsing.
Mefuta ea li-mollusk
Ho na le lihlopha tse tharo tse fapaneng kapa mefuta ea li-mollusk:
- Li-gastropods. Likhofu le li-slugs. Hoo e ka bang li-mollusk tse ka bang 80% ke tsa sehlopha sena.
- Li-cephalopods. Octopus, squid le cuttlefish. Ke sehlopha se fokolang haholo empa se bile teng haholo.
- Lits'oants'o. Sehlopheng sena ho na le likhetla, li-mussels le li-oyster. Litšobotsi tsa sehlotšoana sena ke hore ke tsona feela tse tharo tse se nang radula. Li-clams, li-mussels le li-oyster. Ke bona feela ba se nang radula.
Morpholoji
- Tsamaiso ea phefumoloho. Boholo ba li-mollusk li hema ka mekokotlo, leha mefuta e meng e na le sistimi ea ho hema ea pulmonary.
- Tsamaiso ea ho sila lijo. Li-mollusk li fepa ka setho se bitsoang radula e bopehileng joalo ka leleme. Setho sena se boetse se bitsoa seaparo sa ka holimo 'me se koahela boima ba visceral mme mefuteng e meng se ntša calcium carbonate ho etsa khetla.
- Tsamaiso ea potoloho ea mali. Ba na le pelo, aorta le methapo ea mali.
- Mokhoa oa ho ikatisa. Li-mollusk ke oviparous, ke hore, li ikatisa ka ho behela mahe a e tšehali. Boitšoaro ba tsona bo lula bo le bang, ha se hangata ho li bona ka lihlopha, ntle le ha li tlolelana. Li-mollusk tse ngata ke li-hermaphrodites.
Ho fepa
Mofuta oa phepelo ea li-mollusk o fapana ho ea ka mofuta ka mong. Ka kakaretso, li-mollusk tsa mobu ke liphoofolo tse jang liphoofolo, ha li-mollusk tsa metsing li ja nama, leha li ja lijo tsa tsona ka plankton le algae.
Sebaka sa bolulo
Mabapi le sebaka sa bona sa bolulo, li-mollusk li ka phela tlasa metsi, botlaaseng ba leoatle (li etsa 23% ea liphoofolo tsohle tsa metsing le tsa metsi a hloekileng), empa li ka tloaela le ho phela limithara tse 3,000 kaholimo ho bophahamo ba leoatle mobung.
Mehlala ea li-mollusk
Clam | 'Mutla oa leoatleng |
Slug | Mussel |
Tlhōlisano | Nudibranchia |
Squid | oyster |
khofu | Octophase |
Choro | Sepia |