Beach Hopper
Classifying chordates and arthropods help?
We have to classify chordates into sub-categories and I'm having a hard time classifying a sea horse, an acorn worm, a sea vase, and a sea squirt. Also we have to classify arthropods into sub-categories and i can't figure out which subcategory a beach hopper, burying beetle, termite, water bug, locust, diving beetle, a cricket, and a black widow go into. The sub categories given for those are uniraniums, chelicerates, and crustaceans. If you could help with any then that would be great.
Thanks, but I have been looking them up. Some of them do fit into categories I have, but others do not; that is my problem. You helped me on a few, but I cannot use some of the categories you have given.
All you have to do is look up each animal in an encyclopedia and it will tell what taxon it is in.
The Uniramians include insects, velvet worms, and centipedes and millipedes.
So the cricket, burying beetle, termite, water bug, locust, diving beetle all go into that category because they're insects. More specifically, they are also in Hexapoda and Insecta.
I'm not sure what a beach hopper is, is it the same as a sand flea? Is any other information given? If it's the same as a sand flea, it's an amphipod and it's a crustacean.
The Chelicerata include horseshoe crabs, scorpions, spiders and mites. So your black widow goes in that category.
The sea squirt is in the subphylum Tunicata or Urochordata. Same for the sea vase, I think.
The acorn worm is in the phylum Hemichordata, closely related to the Chordates. They are also classified in the class Enteropneusta.
The sea horse is a bony fish. As it has ray fins, it goes in Actinopterygii.
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