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5 hom fossils yog dab tsi?
5 hom fossils yog dab tsi?

Video: 5 hom fossils yog dab tsi?

Video: 5 hom fossils yog dab tsi?
Video: yog hmoov dab tsi tub huas xyooj 2024, Kaum ib hlis
Anonim

Fossil Hom

Tsib hom fossils yog cev pob txha , molds thiab casts, petrification pob txha , footprints thiab trackways, thiab coprolites

Ua raws li qhov no, 6 hom pob txha yog dab tsi?

Muaj 6 hom pob txha . Lawv yog lub cev, kab, cam khwb cia thiab pwm, nyob, s carbon film, thiab petrified ntoo.

Tsis tas li ntawd, hom fossils thiab piv txwv yog dab tsi? Plaub hom fossils yog:

  • pwm fossils (ib qho kev xav fossilized ua nyob rau hauv lub substrate - ib tug tsis zoo duab ntawm lub cev)
  • cam khwb cia fossils (tsim thaum muaj pwm puv rau hauv)
  • trace fossils = ichnofossils (fossilized zes, gastroliths, burrows, footprints, thiab lwm yam)

Yog li ntawd, dab tsi yog 7 hom fossils?

Cov ntsiab lus hauv cov teeb no (7)

  • Sediment Fossil. •
  • Petrified Fossils. • Cov minerals hloov cov pob txha, lub plhaub lossis lwm qhov nyuaj ntawm lub cev.
  • Taug qab fossils. • suav nrog hneev taw, lem, txoj kev thiab burrows ua los ntawm cov tsiaj muaj sia.
  • Ntxig. • Ua qauv zoo li ib yam khoom muaj sia nyob lossis nws tseem nyob.
  • Pwm. •
  • Coprolite.
  • Cov ntawv luam tawm.

Ob hom fossils yog dab tsi?

Muaj ob hom fossils - lub cev pob txha thiab txoj kab pob txha . Lub cev pob txha suav nrog khaws cia seem ntawm cov kab mob (piv txwv li khov, ziab, petrification, permineralization, kab mob thiab algea).

Pom zoo: