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In the case of invasive species, they can be of concern for environmental reasons, when introduced species outcompete native plants and cause broader damage to ecosystem health and functioning. [40] Some weed species have been classified as noxious weeds by government authorities because, if left unchecked, they often compete with native or ...
Parasiticide – a general term to describe an agent used to destroy parasites. Pediculicide – an agent that kills head lice. Pesticide – a general term to describe an agent used to destroy or repel a pest. Rodenticide - an agent that kills rodents (especially rats and mice). Scabicide – a chemical agent for killing scabies.
The word pesticide derives from the Latin pestis (plague) and caedere (kill). [5]The Food and Agriculture Organization (FAO) has defined pesticide as: . any substance or mixture of substances intended for preventing, destroying, or controlling any pest, including vectors of human or animal disease, unwanted species of plants or animals, causing harm during or otherwise interfering with the ...
A plant which completes its life cycle (i.e. germinates, reproduces, and dies) within two years or growing seasons. Biennial plants usually form a basal rosette of leaves in the first year and then flower and fruit in the second year. bifid Forked; cut in two for about half its length. Compare trifid. bifoliate
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"The current way that people will try to dispose of firefighting foams that contain PFAS is to incinerate them, but there has been evidence that these incinerators are actually just blowing the ...
Just Words. If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online! By Masque Publishing
For instance, the herbicide 2,4-dichlorophenoxyacetic acid is a mimic of a plant growth hormone, which causes uncontrollable growth leading to the death of the plant. Humans and animals, lacking this hormone and its receptor, are unaffected by this, and need to ingest relatively large doses before any toxicity appears.