A little late to post this, but after revisiting my Spider poll, I noticed a post about Daddy-longlegs.
Daddy-Long leggs are not spiders man, nor do they have any venom.
I am in BIO II and we just did an entire bug unit. Daddylong legs are not spiders for the following reasons.
-All spiders have two main body parts, as the daddy long leg has on ly one.
-Spiders all have spinneretts. Daddy longlegs lack these as well and therefore cannot produce the silk all spiders can produce.
-Daddy Longlegs don't even have venom glands or fangs. Their main diet is aphids. Their mouth parts are chewing as the spider's fangs suck the liquified insect.
Just thought I would let you know.