Daphnia magna is a species of Daphnia (a cladoceran freshwater water flea) which is native to northern and western North America, Eurasia and some regions of Africa.aphnia magna is a species of Daphnia (a cladoceran freshwater water flea) which is native to northern and western North America, Eurasia and some regions of Africa.
Logistics means having the right thing, at the right place, at the right time.. Logistics - (business definition) Logistics is defined as a business planning framework for the management of material, service, information and capital flows.It includes the increasingly complex information, communication and control systems required in today's business environment.ogistics-The science of planning, organizing and managing activities that provide goods or services. -- (MDC, LogLink / LogisticsWorld, 1997). Logistics-Logistics is the science of planning and implementing the acquisition and use of the resources necessary to sustain the operation of a system.
Wiktionary (0.00 / 0 votes) Rate this definition: logistic function (Noun). A function, the result of the division of two exponential functions, that gives rise to the logistic curve.or values of t in the range of real numbers from ââ to +â, the S-curve shown is obtained. In practice, due to the nature of the exponential function eâ, it is often sufficient to compute t over a small range of real numbers such as [â6, +6].