Munyika vanogara mamirioni emiti yemarudzi ese, uye vese zvavo vakave nenhoroondo yekushanduka-shanduka iyo yanga ichinyanya kuomarara zvichienderana neshanduko idzo nzvimbo dzavanogara dzakaitika. Shanduko idzi dzakavaita kuti varambe zvakanyanya, asi dzimwe nguva vakavamanikidza kushanduka, kugadzirisa mamwe maitiro avo kuti vagare zvirinani kumba.
Iye anozivikanwa munhu wenyama ndeyekuti iye anoda kuve nezvose zvakaiswa mukati, iye anoda zvese kuti ave nezita rinogona kushandiswa kutaura nezvazvo. Nyika yekudyara haisi iyo yega. Nekudaro, nhasi tine chirimwa kupatsanura zvinova zvinotibatsira kuvaziva.
Zvirimwa zvinosarudzwa sei?
Zvirimwa ndezveumambo hukuru Plantae, iyo yakakamurwa kuita maviri: asiri-maruva zvinomera uye maruva maruva.
Zvirimwa zvisina ruva
Ivo vaive vekutanga kuoneka paPasi, kunyanya mumakungwa makore anopfuura zviuru zvina mazana mana apfuura. Iri boka rakapatsanurwa kuita vamwe vatatu:
- Bryophytes: mosses, chiropa chirimwa, uye hornworts.
- Pteridophytes: iyo ferns.
- Gymnosperms: conifers, cycas uye muti we Ginkgo biloba. Ivo chete ndivo muboka ravo vanogadzira mbeu.
Maruva emiti
Miti iyi yakanyanya "yemazuvano", kunyangwe hazvo ichi "chazvino" chiri chehukama: chakaonekwa makore emamirioni zana nemakumi matatu apfuura, uye kubvira ipapo havana kumira kuchinja. Ivo vanozivikanwa se angiosperm zvirimwa, uye ndidzo dzinoburitsa maruva ayo anowanzo shama kwazvo, uye kana dzangoitwa mukume, mbeu dzinokura mukati memuchero unodzivirira
Semuenzaniso weaiiosperms isu tine maorchid, jacaranda, miti yemichero, bulbous zvinomera, ..., muchidimbu, vese vane maruva.
Ndinovimba kuti kubva zvino zvichienda nyore kuti iwe upatsanure zvirimwa zvako 🙂.