The Weak Force. One of the four fundamental forces, the weak interaction involves the exchange of the intermediate vector bosons, the W and the Z.
Statistical Techniques | Statistical Mechanics
01/06/2011 · Relative vs Absolute Dating Dating is a technique used in archeology to ascertain the age of artifacts, fossils and other items considered to be valuable by
The ability of an environment to increase energetic content, through photosynthetic capture of solar energy, increases with the increase in complex biodiversity as r species proliferate to reach a peak possible with k strategies.
04/04/2015 · Free upper-intermediate ESL lesson on Dating. Lesson #3 from Unit on Love & Marriage. Study online or download the Dating ESL lesson plan.
Organisms whose life history is subject to r-selection are often referred to as r-strategists or r-selected.
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Among the traits that are thought to characterize r-selection are high fecundity, small body size, early maturity onset, short generation time, and the ability to disperse offspring widely relative dating vs.
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In r/ r- or r and k, are drawn from standard ecological algebra as illustrated in the simplified verhulst model of population dynamics: where r is the maximum growth rate, k is the carrying capacity of the local environment, and dn/dt denotes the derivative of n with respect to time t.
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The focus upon either increased quantity of offspring at the expense of individual parental investment of r-strategists, or reduced quantity of offspring with a corresponding increased parental investment of k-strategists, varies widely, seemingly to promote success in particular environments.
other vs another: grammar tips on differences between another, the other, and other. Includes English grammar explanation and "(an)other" practice exercise.
The r/ k dichotomy can be re-expressed as a continuous spectrum using the economic concept of discounted future returns, with r-selection corresponding to large discount rates and k-selection corresponding to small discount rates.
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Because of their higher reproductive rates and ecological opportunism, primary colonisers typically are r-strategists and they are followed by a succession of increasingly competitive flora and fauna.
Large annotated directory of internet resources on radiocarbon and other radioactive dating methods, including creationists' views and scientific critiques of those
R- and k-traits: although sea turtles are large organisms with long lifespans (provided they reach adulthood), they produce large numbers of unnurtured offspring.
Interweaving the relative time scale with the atomic time scale poses certain problems because only certain types of rocks, chiefly the igneous variety, can be dated
R/k selection theory relates to the selection of combinations of traits in an organism that trade off between quantity and quality of offspring.
06/09/2011 · Solar energy, wind power and moving water are all traditional sources of alternative energy that are making progress.