To some physicists, however, the very idea of variations in the speed of light in a vacuum -- the c in E=mc2 -- is meaningless.
"Formal qualities and processes were a strong trend in visual art at the time: Sol Lewitt's work is largely based on this idea of variations on a theme".
In addition, while students may be aware of (but not conversant with) the fundamental ideas of variation and natural selection, they are generally not aware of the kinds of evidence and reasoning that support these ideas.
Although their key ideas in each of the seven areas of knowledge of variability cover all years of schooling, the first three were especially relevant to our study, as was the last: (i) developing intuitive ideas of variation; (ii) describing and representing variability; (iii) using variability to make comparisons and (vii) considering variability as part of statistical thinking.
Previous work (Bishop and Anderson, 1990; Anderson et al. 2002; McVaugh et al. 2011; Lehrer and Schauble 2012) described the core ideas of variation, selection, inheritance, and deep time as all being essential to integrate within a kindergarten through undergraduate college (K-16) biology curriculum in order to obtain a deeper conceptual understanding of evolution.
The trouble is that Catholic universalism is not so convincing to those whose idea of local variation involves a variation on the Catholic ritual, or wanting some other ritual, or wanting no ritual at all.
To get an idea of the variation across states, in the newest rankings government expenses are 31% of state personal income in Alaska, compared to only 9% in Florida.
Despite a wide range of usage, biodiversity remains a concept strongly linked to the idea of biological variation that is largely unknown in its extent, and its future values.
To understand the origin of domesticated rice, it is necessary to have a clearer idea of the variation that existed in the wild rice genepool in the Yangtze River basin 7,000 years ago.
