Gram-positive ((of bacteria) being or relating to a bacterium that retains the violet stain used in Gram's method). Gram-negative ((of bacteria) being of or relating to a bacterium that does not retain the violet stain used in Gram's method). Hyponyms (each of the following is a kind of bacteria):
Outdoors experts: Keep ticks off by spraying repellent on your clothes. A female deer tick. Shane Wilkinson, camping equipment manager at Bass Pro Shops in the Fingerlakes Mall, said he was among those who mistakenly thought this past winter was going to put a real hurt on the ticks.
Ticks can also starve to death, but often the process takes months or even years. However, without food, ticks can't do much. Ticks are a clear illustration of how food works as an energy source. Ticks need energy from blood in order to grow, develop and lay eggs. Without blood, ticks can't do any of this. A tick begins its life as an egg.