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An organ pipe, or a harpsichord string, designated as eight-foot pitch (8′) is sounded at standard, ordinary pitch. For example, the A above middle C in eight-foot pitch would be sounded at 440 Hz (or at some similar value, depending on how concert pitch was set at the time and place the organ or harpsichord was made).
Cytokinin defense effects can include the establishment and growth of microbes (delay leaf senescence), reconfiguration of secondary metabolism or even induce the production of new organs such as galls or nodules. [33] These organs and their corresponding processes are all used to protect the plants against biotic/abiotic factors.
Lilium longiflorum flower – 1. stigma, 2. style, 3. anthers, 4. filament, 5. tepal. Lilies are tall perennials ranging in height from 1–6 ft (30–180 cm). They form naked or tunicless scaly underground bulbs which are their organs of perennation.
Triangular numbers are a type of figurate number, other examples being square numbers and cube numbers. The n th triangular number is the number of dots in the triangular arrangement with n dots on each side, and is equal to the sum of the n natural numbers from 1 to n. The sequence of triangular numbers, starting with the 0th triangular number, is
The floral formula, used to represent the structure of a flower using numbers, is K5 C5 A(5°+5 2) G (5). [ 5 ] While many of the world's flowers are pollinated by bees ( Hymenoptera ) or butterflies / moths ( Lepidoptera ), cacao flowers are pollinated by tiny flies, Forcipomyia biting midges .
Nectar secretion increases as the flower is visited by pollinators. After pollination, the nectar is frequently reabsorbed into the plant. [16] The amount of nectar in flowers at any given time is variable due to many factors, including flower age, [17] plant location, [18] and habitat management. [19]
General floral formula of the Liliacaeae: Flowers actinomorphic or slightly zygomorphic and hermaphrodite with 6 undifferentiated tepals in two whorls of three, the same number and arrangement of stamens, and a superior ovary with 3 fused carpels. Individual species and genera may have more or less derived formulas.
In fluid dynamics, the Reynolds number (Re) is a dimensionless quantity that helps predict fluid flow patterns in different situations by measuring the ratio between inertial and viscous forces. [2] At low Reynolds numbers, flows tend to be dominated by laminar (sheet-like) flow, while at high Reynolds numbers, flows tend to be turbulent.