variations

Such variations are called _congenital variations_.

The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity

Sometimes it is a complete tune (often in period form), on which variations are made, as _e. g._, in the familiar _theme and variations_.

Music Notation and Terminology Karl Wilson Gehrkens 1928

The animals enjoy or at least tolerate the name variations and the kisses and hugs that go with them in the warm, playful spirit we all share with one another.

When Animals Speak Penelope Smith 2009

Early on in this show, she introduces the term "variations", and this is the key to unpicking her work.

Evening Standard - Home Ben Luke 2012

This loss in 2011 reflects short term variations in exchange rates and primarily results from the revaluation of non US dollar cash holdings at the prevailing period end exchange rates.

Reuters: Press Release 2011

Then I learned it all over again with variations from the Hawaiians.

Chapter 20 2010

Asking what causes these variations is entirely reasonable (and the answers would be quite valuable, if available).

Venezuela bans violent video games: a first-person guest essay - Boing Boing 2009

I take "descent" to describe what happens through natural processes, but you want it to include engineering two variations from a common original.

Behe, Common Descent, & UD 2009

Mr. Trenberth was lamenting the inadequacy of observing systems to fully monitor warming trends in the deep ocean and other aspects of the short-term variations that always occur, together with the long-term human-induced warming trend.

Check With Climate Scientists for Views on Climate 2012

One reason for the plethora of variations is that car makers can more readily churn them out since they have consolidated the number of "platforms" that comprise the underpinnings of their vehicles, and increased the flexibility of their production systems, said Christoph Stuermer, an analyst with IHS Automotive in Frankfurt.

At Paris Car Show, Time to Exhale Vanessa Fuhrmans 2010