(redirected from positive chemotaxis). Also found in: Dictionary/thesaurus, Medical, Wikipedia. see taxis taxis, movement of animals either toward or away from a stimulus, such as light (phototaxis), heat (thermotaxis), chemicals (chemotaxis), gravity (geotaxis), and touch (thigmotaxis). The turning movements of plants in response to stimuli are called tropisms...... Click the link for more information. .
USPS first class mail takes anywhere from 3 days to 14 days depending on when they process it, if the address is legible, etc.The average seems to be 7-10 days as of lately, unless you are shipping it within the same city.f it's international shipping, the only first class option is airmail which has no tracking and can take from 7-21 days. If you go with priority international mail, it's much more expensive - $15 and up-and takes around 7 days.
How long does it take standard USPS mail to be delivered from Landisville Pennsylvania to Portland Oregon?   the average amount of time is about 6 to 7 business days First Class Mail in the contiguous US States is delivered in three to five days.t will take about 1 to 2 business days for first class mail to be  delivered from the Bronx to Long Island. Lower classes of mail  could take longer. Edit.