(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 for USPS to deliver first-class mail from Texas to California? 1-2 days, it depends where in California and Texas. First Class Mail is delivered in three to five days. 6 people found this useful. Edit. Share to: 1  Different Jobs Available at the United States Postal Service During any given week, the United States Postal Service delivers billions of letters and parcels.