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单词 chemical defense
例句 chemical defense
“Something happens along this one particular rove beetle lineage called the Aleocharinae that explodes in diversity. And what is that thing? They all have this incredible chemical defense gland in the abdomen,” Parker says. The Secret to Beetles’ Unfathomable Diversity 2023-09-27T04:00:00Z
Preying on the males of other species allows Photuris females to acquire their toxins, called lucibufagins, which the females then deposit into their eggs as a chemical defense. 11 Cool Things You Never Knew about Fireflies 2019-05-16T04:00:00Z
Dumbacher, who discovered the bird’s chemical defense in the early 1990s, has experienced the effects firsthand. Fish With a Built-in Switchblade and Other Secret Animal Weapons 2018-05-05T04:00:00Z
And when the beetle tried to bite, the caterpillar launched additional defenses: It squeaked, which is known to startle predators, and threw up on its attacker, possibly as a chemical defense. Watch this caterpillar fling its beetle attacker through the air 2018-02-23T05:00:00Z
The program brings troops from other countries to the installation to study engineering, military policing and chemical defense. Missouri fort plans memorial for 5 international soldiers 2016-01-05T05:00:00Z
Parker and his team have figured out how and when the chemical defense gland in these rove beetles’ abdomen evolved—and why it was the key to this lineage’s subsequent evolutionary flourishing. The Secret to Beetles’ Unfathomable Diversity 2023-09-27T04:00:00Z
All five soldiers were attending officer education at the Maneuver Support Center of Excellence, a program that brings troops from other countries to the installation to study engineering, military policing and chemical defense. 5 soldiers who drowned in Missouri floods identified 2015-12-30T05:00:00Z
Fort Leonard Wood spokesman Robert Johnson said the drowned soldiers were part of a program that brings troops from other countries to the base to study engineering, military policing and chemical defense. Governor: Missouri’s storm-related death toll rises to 10 2015-12-28T05:00:00Z
Fort Leonard Wood spokesman Robert Johnson says the soldiers who died were part of a program that brings troops from other countries to the installation to study engineering, military policing and chemical defense. Crews search for missing man seen with 4 drowned soldiers 2015-12-28T05:00:00Z
To do so, the plants use a step-by-step approach to synthesize their chemical defense. Genetic engineering turns a common plant into a cancer fighter 2015-09-10T04:00:00Z
The chemical defense gland is extremely useful because it allows the beetles to repel and deter predators that would eat them. The Secret to Beetles’ Unfathomable Diversity 2023-09-27T04:00:00Z
Members of the army’s chemical defense corps were among firefighters who battled the blaze. Massive fire puts spotlight back on Chinese chemical plants 2015-04-08T04:00:00Z
He says the compounds might also be a chemical defense. Nectar Helps Bees’ Medicine Go Down 2015-02-20T05:00:00Z
Since then, roughly a third of the Pentagon’s budget for biological and chemical defense, about $3.9 billion in total, has gone toward a list of “biological threat agents.” How the U.S. Screwed Up in the Fight Against Ebola 2014-09-24T04:00:00Z
Tobacco plants generate nicotine because it defends against herbivorous beetles that would otherwise devour the plants–which means a smoker’s buzz is caused by a plant’s chemical defense mechanism. Cigarette Butts in Nests Deter Bird Parasites 2012-12-05T15:15:42.620Z
In the new study, Parker’s team sequenced the genomes of several rove beetle species and their relatives to piece together the timing and sequence of the evolution of the chemical defense gland. The Secret to Beetles’ Unfathomable Diversity 2023-09-27T04:00:00Z
Specifically, sequestration is the evolved retention of specific compounds, which confers a selective advantage through chemical defense or another function. Poisonous Snakes Can't Resist Toxic Toad Tucker...Or Can They? 2012-08-21T14:45:00.217Z
Many natural colorants function in one of two ways: either to attract, say, for a symbiotic species or pollinator; or to repel, as a chemical defense mechanism against predators. Cochineal Dye Bugs Starbucks Customers 2012-04-05T17:15:00.207Z
In contrast to the crested rat, skunks synthesize their toxins from scratch, yet they, too, have taken chemical defense to a highly derived, almost mannered extreme. Basics: These Mammals Pack a Toxic Punch 2012-01-30T19:13:25Z
The daily cost of a single 150-member biological and chemical defense unit stationed in the Gulf would amount to $15,000, or c. The Belgian Curtain Europe after Communism
Critically, the chemical defense gland in beetles existed for tens of millions of years before ants became an ecological force to be reckoned with. The Secret to Beetles’ Unfathomable Diversity 2023-09-27T04:00:00Z
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