Tus qaib ntxhw loj npaum li cas?

Cov txheej txheem:

Tus qaib ntxhw loj npaum li cas?
Tus qaib ntxhw loj npaum li cas?
Anonim

Tus plas daj lossis xim av plas yog ib qho khoom loj, nruab nrab-loj plas feem ntau pom nyob rau hauv hav zoov thoob plaws ntau ntawm Eurasia thiab North Africa. Nws underparts yog daj ntseg nrog tsaus streaks, thiab lub Upperparts yog xim av los yog grey. Ob peb ntawm kaum ib subspecies pom muaj ob yam sib txawv.

How siab yog ib tug tawny plas?

Tawny Owl yog ib tug noog uas muaj zog, 37–43 cm (14.5–17 nyob rau hauv) ntev nrog 81–96 cm (32–38 hauv) wingspan.

Tawny Owls ntau npaum li cas?

Tawnies yog nyob deb ntawm cov hom plas tshaj plaws hauv tebchaws Askiv, nrog kwv yees cov pejxeem ntawm 50,000 khub (2005). Txawm li cas los xij, lawv tau sau npe amber raws li Hom Kev Tiv Thaiv Kev Nyab Xeeb hauv UK vim qhov tshwm sim los ntawm kev yug me nyuam tsis ntev los no thiab lub caij ntuj no cov pejxeem thiab ntau yam poob qis (Eaton et al, 2015).

Yuav ua li cas qhia tau ib tus dab laug taw?

Txawm tias Tawny Owls tuaj yeem pom nyob rau hauv ob theem xim grey thiab rufous. Nyob rau hauv UK lub rufous zoo li predominate. Cov plaub, tshwj xeeb tshaj yog cov tis thiab tus Tsov tus tw plaub yuav yog dawb rufous xim av barred nrog tsaus thiab daj ntseg bands. Thaum kawg yog koj muaj hmoo heev koj tuaj yeem taug kev hla ntawm Tawny Owl.

Dab tsi yog qhov tshwj xeeb ntawm tus dab teg taw?

Tawny owls muaj npe nrov rau kev tiv thaiv hnyav ntawm lawv cov tub ntxhais hluas: noog ringers feem ntau hnav kaus mom hlau tsoo nrog cov visors tiv thaiv lawv tus kheej thaum ringing menyuam tawnies. Tawnies tshwj xeeb yog yoog rau kev yos hav zoov hauv hav zoov, rau lawv cov tis luv ua rau lawv zoomanoeuvrability.

Pom zoo:

Nthuav cov khoom
Puas yog homomorphism tib yam li isomorphism?
Nyeem ntxiv

Puas yog homomorphism tib yam li isomorphism?

Isomorphism yog homomorphism tshwj xeeb. Greek keeb kwm "homo" thiab "morph" ua ke txhais tau tias "zoo tib yam." Muaj ob qhov xwm txheej uas homomorphisms tshwm sim: thaum ib pab pawg yog ib pawg ntawm lwm pawg;

Yuav tau sawv los yog tshwm sim?
Nyeem ntxiv

Yuav tau sawv los yog tshwm sim?

Peb hom tshwm sim yog arise, sawv, arisen. Nws yog siv hauv cov ntsiab lus tseem ceeb: Ib lub sijhawm tshwm sim thiab nws txiav txim siab los ua txoj haujlwm hauv Brussels. Ib qho teeb meem tshwm sim nrog kuv daim ntawv hla tebchaws. Koj siv arose hauv kab lus li cas?

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?
Nyeem ntxiv

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?

Cov leeg nqaij gastrocnemius flexes ko taw ntawm pob qij txha- uas yog nws ua rau taw taw ko taw nqes los ntawm khoov nws ntawm pob taws pob taws, xws li thaum koj sawv ntawm koj. cov ntiv taw. Qhov kev txiav txim no hu ua plantar flexion. Lub gastrocnemius kuj flexes ceg ntawm lub hauv caug sib koom.