Why do both octopi and spiders have eight legs?

Subject: Why do both octopi and spiders have eight legs?

Date: Thu Jul 15 15:23:49 1999
Posted by No name entered.
Grade level: 10-12 School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Zoology
ID: 932070229.Zo

Message:

Are octopi and spiders similar in terms of evolution or overall anatomy? Is that why they both have eight legs? Are they related in some way?

Re: Why do both octopi and spiders have eight legs?

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