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Also called an antibacterial. A type of antimicrobial drug used in the treatment and prevention of bacterial infections. Archaea One of the three recognized domains of organisms, the other two being Bacteria and Eukaryota. artificial selection Also called selective breeding. The process by which humans use animal breeding and plant breeding to selectively control the development of particular ...
Falling off early, e.g. the sepal s of poppies, which fall off when the petal s begin to open. Compare persistent and fugacious. caespitose Tufted or turf-like, e.g. the growth form of some grasses and sedges. calcarate possessing a spur. calcareous A soil type or a lichen substrate rock type that is rich in or largely composed of calcium ...
[1] [2] The new growth from seed germination that grows upward is a shoot where leaves will develop. In the spring, perennial plant shoots are the new growth that grows from the ground in herbaceous plants or the new stem or flower growth that grows on woody plants. In everyday speech, shoots are often synonymous with stems.
The formation of woody tissue is an example of secondary growth, a change in existing tissues, in contrast to primary growth that creates new tissues, such as the elongating tip of a plant shoot. The process of wood formation ( lignification ) is commonest in the spermatophytes (seed bearing plants) and has evolved independently a number of times.
Growth rings result from new growth in the vascular cambium, a layer of cells near the bark that botanists classify as a lateral meristem; this growth in diameter is known as secondary growth. Visible rings result from the change in growth speed through the seasons of the year; thus, critical for the title method, one ring generally marks the ...
Raw samples nationwide will now be collected and shared with the U.S. Department of Agriculture in order to test for bird flu, according to a new federal order issued by the agency on Friday. The ...
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The grocer said in March it expected about 50 old Winn-Dixie and Harveys stores to begin the conversion process in the latter half of 2024 and the majority of them would reopen as Aldi in 2025.