Is a porcupine an animal or a plant? The only animal like it

I am deeply confused.

Well, their morphology suggests that they're related. However, you forget their other morphological cousins, the sea urchin and the pufferfish.

Due to the fact that its most closely related cousins are both marine animals, I would actually wager that it is the cactus that is misclassified as a plant. We need to update its phylogeny accordingly, and move it to the animal kingdom.

The porcupine is obviously a related species that has since come up onto land, similar to the lungfish.

>>2318024
Was the pufferfish a plant?

>>2318024
Gee, I don't know, maybe they both got spiny bodies due convergent evolution.
I would classify porcupines with Heterophrys and Actinocystis as consecutive outgroups because of general morphology. Also, cacti should be classified in a derived position within Bacilli, along with Lysteria and Brochothrix.
So, porcupines are a paraphyletic clade leading to the SAR supergroup whilst cacti are bacilli with a derived morphology of their cillia.

>>2318004
a porcupine's quills are made out of wood

>>2318034
No, they're feathers

porcupine is a hedgehog........FROM HELL