[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(151) / 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(259) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
-enchylema
a bit of muslin
administrative procedure
afterpoppet
amphemerous
anniferous
Apatovian
appulsively
argentine (lamellar calcite)
Bacterium pneumoniae
betulafolienetetraol
broke the seal
broomrape family
businesspeak
catastrophy
cauchy-rieman condition
ceramic crayon
check digit code
constant, gradient
corrupt practice
crematory system of sewage disposal
david hilberts
deflaters
diff-merge editor
Earth crust structure
Estox
exclusive allowance
fallow-deer
fast-food business
feather-bone
filmograph
fireproof material
firstplus
functionally complete function
grease organic filler
haplogenotypic sex determination
heating-up
Herne
hold the record of
homeodomains
husain
hyperleptosome
hyposchrome
ice-cream cornet
Indirakoli P.
Laser Color Printers
line heat source
make a meal of it
management through costs
mechanochemical transducer
Miya-gawa
motor drawn
mule head
myositides
myrins
neurophysin
nongravitational
norarecolin
Novopashkovskaya
off-line work
orrin
pawlik
perfect negative correlation
piggy wiggy
planning data gathering
presecondary
QMG
rapid cut-off valve
relay protection
renal arterial disease
scope attribute
scrip-holder
sea surface temperature
segging
semi-rigid
sisterin-law
six-foot side
solid-transport equipment
southwyck
spatially explicit landscape model
stored programs
superroad
surface structure constraint
templating
terminal lead
thermonuclear explosion
Thistle I.
tibicos
timbering machine
transducing vector
tree-cover
tut-tutting
two-address programme
unrestricted dose equivalent index
upcoast
uphand welding
value assignment
vertical astigmatism compensator
visual plant
weedeater
welded mounting coupler
well-disguiseds