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Many arthropods bite or sting in order to immobilize their prey or deter potential predators as a defense mechanism. Stings containing venom are more likely to be painful. Less frequently, venomous spider bites are also associated with morbidity and mortality in humans. Most arthropod stings involve Hymenoptera (ants, wasps, and bees). While ...
[1] [2] They are often distinguished from poisonous animals, which instead passively deliver their toxins (called poison) to their victims upon contact such as through inhalation, absorption through the skin, or after being ingested. [1] [2] [3] The only difference between venomous animals and poisonous animals is how they deliver the toxins. [3]
Arthropod eyes Head of a wasp with three ocelli (center), and compound eyes at the left and right. Most arthropods have sophisticated visual systems that include one or more usually both of compound eyes and pigment-cup ocelli ("little eyes"). In most cases, ocelli are only capable of detecting the direction from which light is coming, using ...
Main character in a popular series of German children's novels, later adapted into films and TV animated series. Mr. Mosquito Mosquito: Ricky Ricotta's Mighty Robot vs. the Mutant Mosquitos from Mercury: Dav Pilkey: The main antagonist of the book. He hates living on Mercury because the extreme temperatures ruin his everyday activities.
The term "millipede" is widespread in popular and scientific literature, but among North American scientists, the term "milliped" (without the terminal e) is also used. [4] Other vernacular names include "thousand-legger" or simply "diplopod". [5] The science of millipede biology and taxonomy is called diplopodology: the study of diplopods. [6]
There has been much debate as to which arthropod group is most closely related to the Myriapoda. [20] Under the Mandibulata hypothesis, Myriapoda is the sister taxon to Pancrustacea , a group comprising the Crustacea and Hexapoda (insects and their close relatives).
Students explore how cosmic radiation in space would alter epinephrine’s molecular structure
The effects suffered by bees from toxic chemicals that they encounter in the environment can be severe. These chemicals include various man-made compounds, such as insecticides and fertilizers , as well as a variety of naturally-occurring chemicals from plants, such as ethanol resulting from the fermentation of organic material.