Roots ntawm cov nroj tsuag txav mus rau hauv dej, yog li lawv pom zoo hydrotropism. Thaum cov nroj tsuag qhia txog kev txav mus los hauv kev teb rau qhov kov ntawm ib qho khoom, nws hu ua thigmotropism.
Dab tsi ntawm cov nroj tsuag pom zoo phototropism?
Cov kab mob sib txawv ntawm cov nroj tsuag tuaj yeem pom qhov sib txawv ntawm cov duab phototropic rau qhov sib txawv wavelengths ntawm lub teeb. Stem lus qhia pom qhov zoo phototropic tshwm sim rau lub teeb xiav, thaum cov lus qhia hauv paus pom qhov tsis zoo phototropic cuam tshuam rau lub teeb xiav. Ob lub hauv paus cov lus qhia thiab cov lus qhia qia feem ntau pom zoo phototropism rau lub teeb liab.
Cov nroj tsuag twg teb qhov zoo?
Nyob rau hauv cov nroj tsuag, cov lus teb dav dav rau lub ntiajteb txawj nqus yog paub zoo: lawv roots teb zoo, loj hlob, mus rau hauv av, thiab lawv stems teb tsis zoo, loj hlob nce mus txog. tshav ntuj.
4 hom tropism yog dab tsi?
Cov ntaub ntawv ntawm tropism suav nrog phototropism (teb rau lub teeb), geotropism (teb rau lub ntiajteb txawj nqus), chemotropism (teb rau cov tshuaj tshwj xeeb), hydrotropism (teb rau dej), thigmotropism(teb rau mechanical stimulation), traumatotropism (teb rau qhov txhab txhab), thiab galvanotropism, los yog electrotropism (teb …
Peb hom tropism yog dab tsi?
Topisms yog kev loj hlob mus rau lossis deb ntawm kev txhawb nqa. Hom tropisms suav nrog gravitropism (lub ntiajteb txawj nqus), phototropism (lub teeb), thiab thigmotropism (kov).
