[网络] 蛭形轮虫;蛭形輪虫

Organisms evolved sexual reproduction so they could stay one step ahead of parasites. Or so the theory goes. But what about beasties that make babies without sex? How do they escape infection? A study in the journal Science suggests that for bdelloid

发表于:2018-12-02 / 阅读(166) / 评论(0) 分类 Scientific American(一)月

Rapid Evolution and Population Dynamics 种群(population)指在一定时间内占据一定空间的同种生物的所有个体。种群中的个体并不是机械地集合在一起,而是彼此可以交配,并通过繁殖将各自的基因传给

发表于:2019-03-09 / 阅读(276) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a forxa galicia
anhydroenneaheptitol
annual loadline survey
aODN
aperture grill
archaeozoic aeons
ass whup
atrop-
barita
Beaufort, Massif de
bhikshus
block oriented memory
call for sb
capital of Rwanda
carborundum detector
catforming process
Ceglution
cephalopode
cessationist
Chabua
complex volcano
componentwise
concrete air cooled vault
contraceptive condom
crunodes
curpic hydroxide
DC power supply system
de-spin
dienamines
dihydrotanshinone
double warp machine
enceintest
fashion style
fear for
fernley
fieseler
g-r-e
gas filled tube
Gentiana franchetiana
genus lycopersicons
giants causeway
golden hawksbeard
Gross-Enzersdorf
Harris, Frank
highrate
human resource management information system (hrmis)
hyphen-ate
inland water borne transport
lead matte
lirinidine
lymphatic systems
malleus albus
maximal-punishment principle
microbial breeding
minidiscus ocellatus
more-severe
moscow' tennessee
murillos
non essential repair parts
non-subject
nonfreedom
nonpressure thermit weld
Norfolk jacket
nyos
olbrich
paggling
Pahranagat National Wildlife Refuge
Phoenician alphabet
pollution by particulates
polyborine
populus simonii var.pendula schneid
president john quincy adamss
python moluruss
Ranunculus flammula
reconverted
residuary devisee
rigging datum line
roughishly
roughnecked
running hop step and jump
seasonally-frozen layer
Shared Key Authentication
soil extractant
soil temperature regime
solar heterodyne radiometer
spider vein
stepped lens
substrahend
super miniature disc
target-marketing
test bed results
the nine
theca external
theory of sieves
thyrotoxicoses
total quotients
townfield
tub-gardening
turndowns
water fastness
zygophytes