[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(192) / 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(306) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a skirt
acting load
air-blast freezer tunnel
al-Qaeda in Iraq
aluminium chromium
ammyonia absorption refrigerator
Anabolina
anisyl alcohol
annealing and pickling plant
antro-
articulatability
bachata
bank-head
bitheism
branching turnout
bulbopetal
cesium tribromomercurate(ii)
chain initiator
charitable giving
containment sump
core'journal
Corve Dale
Credit Unions Ordinance
crowns
deathbells
desensitization therapy
disappearing stair
electro-optical target point
engaging with
environmental pollutant analysis
equationism
farciminosis
fisheries training boat
flight attendants
garnets
genus ephestias
gold fish
golden hours
hamed
heat-flux dissipation
high altitude heart disease
hypoeutectoid alloy
iliolumbar ligament
impressum
interferon-?
Ipsario, Oros
isentropic expansion nozzle
jute carder
Kalaly
karrar
land scurvy
lawlessnesses
magicful
magnum opus
manganese-silicon
Maure-de-Bretagne
mica-window Geiger-Muller counter
microorgranic contaminant
mining problem
mitigable
neocapitalist
no feel condition
OBD II
overtures
oxidative addition
passive memory
Peucedanum violaceum
phase plane plot
phase-sequence detector
plate culture method
polystichum setiferums
Prendergast
pulse regeneration unit
pyric
quadratic convergence
reexpose
reservoir bed
Rhynchosia dielsii
rice harves
settle ... in
shorier
short take-off and landing aircraft
solicitors' accounts
sonic flow
split-pole converter
ST_honesty-and-dishonesty_dishonest-people
Stodgers
tend the ship
thin out millet seedlings
threeand
throttle-governed turbine
truncated normal decision
twirl our thumbs
unpacked format
welded-steel plate construction
wetfuel
whirl drill
White sheets
workshop and stores building
yeled
Yushania pauciramificans
Zhelezinka