Cov khoom lag luam tseem ceeb dab tsi yog muab los ntawm conifers?

Cov txheej txheem:

Cov khoom lag luam tseem ceeb dab tsi yog muab los ntawm conifers?
Cov khoom lag luam tseem ceeb dab tsi yog muab los ntawm conifers?

Video: Cov khoom lag luam tseem ceeb dab tsi yog muab los ntawm conifers?

Video: Cov khoom lag luam tseem ceeb dab tsi yog muab los ntawm conifers?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Conifers muab tag nrho lub ntiaj teb cov ntoo ntoo, cov ntoo loj ntawm thaj chaw sov, thiab txog 45 feem pua ntawm lub ntiaj teb cov ntoo txhua xyoo. Softwoods yeej ib txwm muaj ntau daim ntawv thov dav dav thiab tshwj xeeb.

Cov khoom lag luam tseem ceeb dab tsi yog tsim los ntawm lwm cov gymnosperms?

Cov khoom lag luam tseem ceeb dab tsi yog tsim los ntawm lwm cov gymnosperms? Txhua yam nrog ntoo, ntawv.

conifers ua dab tsi?

Conifers yog ntoo ntoo thiab tsob ntoo. Lawv tsim cones es tsis paj. Piv txwv ntawm conifers muaj xws li ntoo thuv, spruces, thiab firs.

Lub hom phiaj ntawm paj paj noob tis yog dab tsi?

tis ua kom lub paj paj ntoos tawg mus rau lub ovule, qhov chaw nws germinates , ua ib txoj hlab paj ntoos los ntawm qhov chaw tsis muaj zog ntawm phab ntsa paj ntoos. Lub raj paj ntoos elongates los ntawm "ntsis txuas ntxiv," nkag mus ntawm cov hlwb ntawm tus tswv tsev niam txiv.

Vim li cas cov ntoo coniferous tseem ceeb?

Cov hav zoov coniferous yog qhov tseem ceeb rau kev tiv thaiv vim tias lawv npog ib feem ntawm lub ntiaj teb saum npoo, sawv cev rau thaj av loj tshaj plaws rau cov nroj tsuag thiab tsiaj txhu; lawv muab zaub mov thiab chaw nyob rau tsiaj thiab tib neeg; yog ib qhov chaw rau tshuaj; muab kev ua si; thiab lim dej thiab lawv hloov carbon …

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