They’re separate biological classes.
So they’re about as far apart as you are from a reptile, bird or fish.
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Lembot_0006@programming.dev 3 weeks agoAre they in some separate category?
mech@feddit.org 3 weeks ago
stray@pawb.social 3 weeks ago
Not exactly. Humans, birds, and reptiles are all within the phylum chordata, while arachnids and insects are both within the phylum arthropoda.
Fish, interestingly, aren’t a real thing in terms of formal classification. The term is similar to bug in that we apply it to whichever creatures we feel fit the description.
mech@feddit.org 3 weeks ago
Yeah I simplified it a bit cause I didn’t want to open a can of dinosaurs.
stray@pawb.social 3 weeks ago
I don’t know if you saw Johandea’s reply to me, but it made me realize I was mistaken about what you meant.
I love opening cans of dinosaurs. :D
Johandea@feddit.nu 3 weeks ago
Not exactly. Humans, birds, and reptiles are all within the phylum chordata, while arachnids and insects are both within the phylum arthropoda.
But all fish, no matter which classification you use, are also part of the phylum chordata, just like reptiles, birds and mammals. @mech s statement still holds true.
stray@pawb.social 3 weeks ago
It took me a bit to understand what you mean, but I get it now! I was looking at it from the perspective of them being quite similar, but they are as different, aren’t they?
FishFace@piefed.social 3 weeks ago
Fish, interestingly, aren’t a real thing in terms of formal classification
This is misleading. Formal classification existed for a long time before phylogenetic classification became the standard.
stray@pawb.social 3 weeks ago
Pluto used to be considered a planet, but I’m not going to tell people it is one today. Pisces as a class was abandoned due to the realization that we were mistaken about how similar/related they are to each other. Whales used to be included in pisces.
tomiant@piefed.social 3 weeks ago
No, because spiders are super many, tiny, and scary, exactly like insects.
Lembot_0006 is orders of magnitudes larger than most reptiles, and is one of a kind.
I expect to lose this argument, but mom didn’t raise no quitter.
TropicalDingdong@lemmy.world 3 weeks ago
Crab
bizarroland@lemmy.world 3 weeks ago
Arachnid
HeyThisIsntTheYMCA@lemmy.world 3 weeks ago
Arthropod?
stray@pawb.social 3 weeks ago
Yes, they’re arachnids.
en.wikipedia.org/wiki/Arachnid
Both insects and arachnids are arthropods.
en.wikipedia.org/wiki/Arthropod