The porcupine is a medium-sized rodent, related to mice and rats and beaver. An adult animal is about 50 cm long (20 inches,) not counting the tail, and weighs from 4.5 to 13 kg (10 to 28 pounds.) Long black and brown guard hairs cover its body and quills are mixed in among them.
www.iwrc-online.org/kids/Facts/Mammals/porcupine.htm www.iwrc-online.org/kids/Facts/Mammals/porcupine.htm
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Porcupines can weigh from 2 to 60 pounds depending on the species. A prickly coat of needle-sharp quills is the porcupine's best defense. Ordinarily the quills lay flat. But if an enemy approaches the porcupine will raise the quills and spread them, ... The life span of captive porcupines can be as much as 20 years.
www.planet-pets.com/plntporc.htm
The Life Span of Animals ... This chart provides the expected maximum life span for a variety of animals in Many of the values are based on record life spans taken from various sources. ... Porcupine 20 Prarie Dog 10...
sonic.net/~petdoc/lifespan.htm sonic.net/~petdoc/lifespan.htm
For the first six weeks of a porcupine's life, its mother is always close by. They meet only at night. During the day the baby is hidden on the ground, while the mother sleeps in the trees. After six weeks, the baby porcupine follows the mother to feeding trees and waits for her at the bottom.
animaldiversity.ummz.umich.edu/site/accounts/informatio... animaldiversity.ummz.umich.edu/site/accounts/information/Erethizon_dorsatum.html
All about porcupines - their history, description, behavior, range, habitats, life cycle. ... Life Cycle ... The porcupine's barbed quills detach easily and can become painfully embedded in the skin of an attacker. Not only do they inflict painful wounds, but they also work into the skin and may even cause death if they...
www.desertusa.com/mag99/mar/papr/porcupine.html www.desertusa.com/mag99/mar/papr/porcupine.html
Maximum life span - Wikipedia, the free encyclopedia
Maximum life span is a measure of the maximum amount of time one or more members of a group has been observed to survive between birth and death. In animal studies, maximum life span is often taken t...
en.wikipedia.org/wiki/Maximum_life_span
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Normal human cells exhibit a limited replicative life span in culture, eventually arresting growth by a process termed senescence. ... Replicative life span determination. Cells were plated at 1 × 105 to 3 × 105 cells per T75 or T175 flask or p100 dish in their appropriate growth medium, refed every 2 to 3 days,
mcb.asm.org/cgi/content/full/20/4/1436
In this way a brief heat pulse (120 or 180 min, total) of young adult flies activated transgene expression for the rest of the life span. FLP-OUT allows the effects of induced transgene expression to be analyzed in control (no heat pulse) and experimental (heat pulse) populations with identical genetic backgrounds.
mcb.asm.org/cgi/content/full/19/1/216
Porcupines question: What is the life span of a porcupine? 10 to 15 years ... How old can a porcupine life? What is a Porcupine's life span? How long is a porcupine life span? How long is a porcupine's life span? How long is the life span of a porcupine? What is the life expectancy of a porcupine?
wiki.answers.com/Q/What_is_the_life_span_of_a_porcupine wiki.answers.com/Q/What_is_the_life_span_of_a_porcupine
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