These include temperature shock, osmotic or oxidative stress, low pH, DNA damaging agents, nutrient starvation, a switch to lower quality carbon sources, and oxygen deprivation under catabolite non-repressed conditions [ 1- 6].
In contrast to the suggestion that a low quality host pre-adapts beetles for a switch to a higher quality host, Messina and Jones (2009) found that bean beetles adapted to lentils (Lens culinaris), a low quality host, were not more likely to be successful on other hosts than beetles adapted to mung beans.
Both sets of results are consistent with the idea that adaptation to a low quality host (adzuki beans) pre-adapts bean beetles for a switch to a higher quality host (black-eyed peas).
Positive feedback in Temnothorax ants is in the form of tandem running which recruits nestmates to good quality nests with a switch to a rapid transport of nestmates after a quorum threshold is reached [14].
The company eventually cut its consultant rolls to 500 from 900 and switched to quality assurance and information testing work, fields closer to its Year 2000 experience.
If you still carry a purse, switch to a quality messenger bag, especially if you live in an urban area.
Therefore, individuals adapted to low quality hosts might more readily switch to higher quality hosts.
Also, using yes and no responses, participants indicated if they would use quality measures (including each specific quality measure) to choose a pharmacy; if they would switch to a higher quality pharmacy based on a lower quality rating in their current pharmacy; and if they would switch pharmacies based on lower ratings on specific quality measures in their current pharmacy.
The first is the switch to higher-quality fuels, low in sulphur contents.
He's not trying to woo new smokers, he says, just encourage existing ones to switch to high-quality cigarettes".
