question 36 which of the following are chordates? mammals all of these vertebrates humans

Answer

Brief Explanations:

Chordates are a phylum of animals that possess a notochord, a dorsal - hollow nerve cord, pharyngeal slits, and a post - anal tail at some point during their development. Mammals are a class within the sub - phylum Vertebrata, which is part of the phylum Chordata. Vertebrates are chordates that have a backbone. Humans are mammals and thus chordates. So all the given options are chordates.

Answer:

B. all of these