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scavenger    音标拼音: [sk'ævəndʒɚ]
n. 清道夫;食腐肉的动物

清道夫;食腐肉的动物

scavenger
清除器; 净化剂

scavenger
n 1: a chemical agent that is added to a chemical mixture to
counteract the effects of impurities
2: someone who collects things that have been discarded by
others [synonym: {magpie}, {scavenger}, {pack rat}]
3: any animal that feeds on refuse and other decaying organic
matter

Scavenger \Scav"en*ger\, n. [OE. scavager an officer with
various duties, originally attending to scavage, fr. OE. & E.
scavage. See {Scavage}, {Show}, v.]
A person whose employment is to clean the streets of a city,
by scraping or sweeping, and carrying off the filth. The name
is also applied to any animal which devours refuse, carrion,
or anything injurious to health.
[1913 Webster]

{Scavenger beetle} (Zool.), any beetle which feeds on
decaying substances, as the carrion beetle.

{Scavenger crab} (Zool.), any crab which feeds on dead
animals, as the spider crab.

{Scavenger's daughter} [corrupt. of Skevington's daughter],
an instrument of torture invented by Sir W. Skevington,
which so compressed the body as to force the blood to flow
from the nostrils, and sometimes from the hands and feet.
--Am. Cyc.
[1913 Webster]


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  • Scavenger - Wikipedia
    Oftentimes, scavenger communities differ in consistency due to carcass size and carcass types, as well as by seasonal effects as consequence of differing invertebrate and microbial activity
  • Scavengers: What are they, why are they important and just how do . . .
    Whereas a predator kills prey, a scavenger consumes matter that’s been discarded or died from predation, injury, disease or old age Some species are ‘obligate scavengers’ that survive by scavenging, others are ‘facultative scavengers’ that scavenge when necessary
  • 25 Examples of Scavengers (A to Z List Pictures) - Fauna Facts
    Animals that are scavengers can be found in both the wild and the city, but they all have one thing in common: they eat whatever is dead or dying They’re able to find food because of their keen sense of smell, which allows them to track down rotting carcasses even when buried beneath dirt or snow 1
  • Scavenger | Foraging, Adaptations, Survival | Britannica
    Scavenger, animal that feeds partly or wholly on the bodies of dead animals Many invertebrates, such as carrion beetles, live almost entirely on decomposing animal matter
  • SCAVENGER Definition Meaning - Merriam-Webster
    When the towns came to need someone to keep the streets clean, this duty also became the job of the scavenger The word scavenger is now used in the British Isles for all street cleaners
  • Scavenger - National Geographic Society
    A scavenger is an organism that consumes mostly decaying biomass, such as meat or rotting plant matter
  • What Are Scavengers? Definition, Importance Examples · Planet Wild
    Scavenger's like the coyote can be found on every continent From vultures picking on carcasses to crabs scuttling around the ocean floor, these animals are nature’s garbage crew Opportunistic creatures whose dietary requirements recycle nutrients and prevent the spread of disease
  • Scavenger - Definition, Meaning Synonyms | Vocabulary. com
    Ever catch a raccoon in your garbage can? The critter is a scavenger, digging around for whatever it can find to eat In fact, anything or anybody searching for and collecting what others have tossed away is a scavenger
  • What Is A Scavenger In Ecology - ecologiclife. com
    Scavengers are animals that consume dead organisms that have died from causes other than predation or have been killed by other predators They play a crucial role in maintaining the health of ecosystems by breaking down dead organic matter and recycling nutrients back into the environment
  • Why Scavengers Are Critical to Earth’s Survival: Types Facts
    While a predator kills its own food and hunts live prey, a scavenger specializes in finding dead organisms that have already succumbed to age, disease, or another predator’s kills





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