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Many of the known plant defense compounds primarily defend against consumption by insects, though other animals, including humans, that consume such plants may also experience negative effects, ranging from mild discomfort to death. Many of these poisonous compounds also have important medicinal benefits. [3]
t. e. Agent Orange is a chemical herbicide and defoliant, one of the tactical use Rainbow Herbicides . It was used by the U.S. military as part of its herbicidal warfare program, Operation Ranch Hand, [1] during the Vietnam War from 1961 to 1971. [2] It is a mixture of equal parts of two herbicides, 2,4,5-T and 2,4-D.
Chestnut – Castanea spp. Chigger flower – Asclepias tuberosa. Chrysanthemum – Dendranthema grandiflora [ vi], Chrysanthemum morifolium. (True) cinnamon – Cinnamomum verum. Clove – Syzygium aromaticum. Clover – Trifolium spp. Coakum – Phytolacca americana. Coconut – Cocos nucifera. Coffee plant – Coffea spp.
The dark markings on both birds are due to the black pigment eumelanin. Biological pigments, also known simply as pigments or biochromes, [1] are substances produced by living organisms that have a color resulting from selective color absorption. Biological pigments include plant pigments and flower pigments.
Blue is one of the three primary colours in the RYB colour model (traditional colour theory), as well as in the RGB (additive) colour model. [ 2] It lies between violet and cyan on the spectrum of visible light. The term blue generally describes colours perceived by humans observing light with a dominant wavelength that's between approximately ...
Orange (fruit) An orange, also called sweet orange to distinguish it from the bitter orange ( Citrus × aurantium ), is the fruit of a tree in the family Rutaceae. Botanically, this is the hybrid Citrus × sinensis, between the pomelo ( Citrus maxima) and the mandarin orange ( Citrus reticulata ). The chloroplast genome, and therefore the ...
Orange is the colour between yellow and red on the spectrum of visible light. The human eyes perceive orange when observing light with a dominant wavelength between roughly 585 and 620 nanometres. In traditional colour theory, it is a secondary colour of pigments, produced by mixing yellow and red. In the RGB colour model, it is a tertiary ...
Berlin and Kay identified eleven possible basic color categories: white, black, red, green, yellow, blue, brown, purple, pink, orange, and gray. To be considered a basic color category, the term for the color in each language had to meet certain criteria: It is monolexemic (for example, red, not red-yellow or yellow-red.)