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2006-09-08 19:04:54 · 9 answers · asked by Anonymous in Science & Mathematics Zoology

9 answers

Many spiders may only live for about a year, but a number will live two years or more, overwintering in sheltered areas.The life expectancy of most spiders is 2-3 years. Females live longer than males.
Addendum:
(I knew that there is kind of spider (the tarantula) which life expectancy is 20 -25 years or more but very interesting to know that there is a spider (Japanese spider crab) which is believed to have a life expectancy of up to 100 years. Thanks to this question, I would have not known this.)

2006-09-08 19:37:42 · answer #1 · answered by ♥ lani s 7 · 5 1

This Site Might Help You.

RE:
What is the life expectancy of the average spider?

2015-08-06 11:57:19 · answer #2 · answered by Anonymous · 0 0

Spider Lifespan

2016-10-03 04:45:26 · answer #3 · answered by ? 4 · 0 0

The spider life cycle progresses through three stages: the embryonic, the larval, and the nympho-imaginal.

The time between when an egg is fertilized and when the spider begins to take the shape of an adult spider is referred to as the embryonic stage. As the spider enters the larval stage, it begins to look more and more like an adult spider. It enters the larval stage as a prelarva and, through subsequent moults, reaches its larval form, a spider-shaped animal feeding off its yolk supply. After a few more moults (also called instars) body structures become differentiated. Soon, all organ systems are complete and the animal begins to hunt on its own; it has reached the nympho-imaginal stage.

This stage is differentiated into two sub-stages: the nymph, or juvenile stage and the imago, or adult stage. A spider does not become sexually mature until it makes the transition from nymph to imago. Once a spider has reached the imago stage, it will remain there until its death. After sexual maturity is reached, the general rule is that they stop moulting, but the females of some non-araneomorph species will continue to moult the rest of their lives.

Many spiders may only live for about a year, but a number will live two years or more, overwintering in sheltered areas. The annual influx of 'outdoor' spiders into houses in the fall is due to this search for a warm place to spend the winter. It is common for tarantulas to live around twenty years.

Did that help you?(Hey lani, maybe you can take some time to type it down, can't you?)

2006-09-09 03:07:58 · answer #4 · answered by andy14darock 5 · 3 2

life expectancy average spider

2016-01-27 21:09:58 · answer #5 · answered by Diena 4 · 0 0

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Insects have no cognitive awareness, so I don't have any guilt feelings. While Buddhists avoid unnecessary killing, it can be difficult to draw a line. Does it bother you to kill the lettuce in your salad? What about the insects eating your garden vegetables? Is it O.K. to catch fish? What about game? What about mass-produced chickens? My thoughts are that individuals are less important than populations. Mourning doves have a life expectancy of about 18 months on average, whether or not they are hunted. Therefore, if the can be killed humanely and legally, and the meat isn't wasted, there isn't anything to feel guilty about.

2016-03-28 06:08:31 · answer #6 · answered by Anonymous · 1 0

tarantulas can live up to 20 years, violinistas live from 5 to 10, black spiders from 1 to 2.5 years, and other species only live several months.

2006-09-08 19:21:57 · answer #7 · answered by Anonymous · 2 0

it depends on the type of spider, but for most, its one year. the spider hatches in spring, grows in the summer, females lay eggs in the fall (this is why you see many large spiders in the fall, they are fully grown by then) , and it dies immediately afterwards, the eggs hatch in spring.

2006-09-09 14:21:05 · answer #8 · answered by tomcat 3 · 1 0

The afternoon paper comes at 2:30 at Garfield's houe. I'd say till 3:00. Fifteen minutes!

2006-09-08 19:07:24 · answer #9 · answered by Anonymous · 5 2

hopefully not long.

2006-09-08 19:07:05 · answer #10 · answered by Anonymous · 1 0

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