Bio II Lab Study – Flashcards

Which of the following is NOT true regarding Echinoderms? A. They are marine animals. B. They can perform ecdysis. C. The display pentaradial symmetry. D. They have an internal skeleton.

Class Reptilia and Class Amphibia share many traits, but reptiles are able to inhabit many areas that amphibians cannot. Which of the following reptile traits is most responsible for this ability? A. Four limbs B. Internal bones C. Teeth D. The amniotic egg E. Lungs

Which of the following do all vertebrates have in common? More than one answer is possible. A. mammary glands B. cranium C. vertebral column D. specialized teeth

Check all of the following clades that apply to ray-finned fishes (Class Actinopterygii)? A. Subphylum Vertebrata B. Superclass Tetrapoda C. Subphylum Urochordata D. Phylum Chordata

Which of the below is not a subphylum of the Chordata? A. Vertebrata B. Cephalochordata C. Urochordata D. Holothuroidea

Which characteristics of the skeleton of members of Phylum Echinodermata is unique compared to the typical skeletons of members of Clade Protostomia? A. Echinoderms have a hard, calcareous skeleton. B. Echinoderms have an internal skeleton. C. The skeleton of echinoderms provides body rigidity. D. The skeleton of echinoderms is not molted.

Hair on mammals can be used for all but which of the following? A. camouflage B. defense C. sensory functions D. insulation E. all of the above

Which of the below is not one of the four major characteristics of the chordates? A. pharyngeal gill arches B. post-anal tail C. hollow dorsal nerve cord D. neural crest E. notochord

Which group in Subphylum Vertebrata is most closely related to Class Amphibia? A. Mammals. B. Ray-finned fishes. C. Cartilaginous fishes.