Cov noob caj dab nyob qhov twg?

Cov txheej txheem:

Cov noob caj dab nyob qhov twg?
Cov noob caj dab nyob qhov twg?
Anonim

Reedling, tseem hu ua bearded tit, (hom Panurus biarmicus), songbird feem ntau muab tso rau hauv tsev neeg Panuridae (txiav Passeriformes) tab sis kuj qee zaum cais nrog Sylviidae lossis Timaliidae. Nws nyob hauv reedy marshes ntawm England mus rau sab hnub tuaj Asia.

Yuav tau bearded Reedlings ya?

Fairly common tab sis hauv zos nyob rau hauv dav reed txaj. Tsis yooj yim pom zoo tab sis qee zaum pub ntawm cov npoo, feem ntau qis heev los yog nyob ib sab av nkos. Davhlau feem ntau qis dua reeds nrog whirring wingbeats. Feem ntau hauv pab pawg me.

Yuav noj dab tsi?

Nws noj reed aphids nyob rau lub caij ntuj sov, thiab reed noob nyob rau lub caij ntuj no, nws lub plab zom mov hloov mus rau qhov sib txawv ntawm cov zaub mov raws caij nyoog. Lub bearded reedling yog ib hom ntawm temperate Europe thiab thoob plaws Palearctic.

Lub suab nrov li cas lub caj dab caj dab ua?

Cov bearded reedling feem ntau hu ua bearded tit thiab feem ntau pom darting nyob rau hauv thiab tawm ntawm reedbeds, tsim nrov 'ping' hu thaum lawv ya.

Tay reed txaj nyob qhov twg?

Mas dag nyob rau sab qaum teb ntawm Inner Tay Estuary, Tay Reedbeds yog UK qhov loj tshaj plaws txuas ntxiv reedbed thiab tsev rau ntau yam tsiaj qus - tshwj xeeb tshaj yog tseem ceeb ntawm kev yug me nyuam noog., muaj ntau yam uas muaj kab mob los yog tsis tshua muaj tsiaj.

Pom zoo:

Pob noob noob noob noob nom noob tswv los?

Pob noob noob noob noob nom noob tswv los?

Cov noob noob hnav tuaj yeem tshwm sim hauv Asia lossis East Africa, thiab cov neeg Iyiv thaum ub tau paub tias tau siv cov noob hauv av ua hmoov nplej. Cov noob tau siv los ntawm Suav tsawg kawg yog 5,000 xyoo dhau los, thiab ntau pua xyoo lawv tau hlawv cov roj los ua cov tshuaj tsw qab rau cov ntawv suav zoo tshaj plaws.

Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?

Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?

Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.

Nyob rau hauv noob caj noob ces yog dab tsi genotype ntawm hh txhais tau tias?

Nyob rau hauv noob caj noob ces yog dab tsi genotype ntawm hh txhais tau tias?

Lub hauv paus ntawm lo lus no txhais tau tias "tseem" thiab lawv yog tib yam. HH yog ob lub peev thiab hh yog ob qho tib si qis. HH yog homozygous dominant, vim yog lub peev. HH homozygous recessive? Ib lub taub hau tag nrho cov plaub hau yog qhov tseem ceeb, nrog rau homozygous gene ntawm HH.

Cov noob caj noob ces hnav dab tsi?

Cov noob caj noob ces hnav dab tsi?

Geneticists kawm cov noob los ntawm cov nroj tsuag, tsiaj txhu, thiab tib neeg los txiav txim seb cov noob sib cuam tshuam li cas, hloov zuj zus, thiab sib npaug. Geneticists feem ntau ua haujlwm hauv chav kuaj los kawm cov khoom siv caj ces.

Dab tsi yog cov noob caj noob ces?

Dab tsi yog cov noob caj noob ces?

hom kab mob lom neeg yog cais tawm ntawm ib leeg. Lub ntsiab txhais yog qee zaum txuas ntxiv kom xav tau tias qhov kev yug me nyuam yuav tsum tshwm sim nyob rau hauv ntuj, tsis yog khoom tsim (xws li, raug ntes). Evolution of reproductive isolating mechanisms tiv thaiv hom nascent los ntawm interbreeding.