Chapter 34 Questions (Only 1/3)
5, 2, 1, 4, 3
1. Dinosaurs 2. Lobe-finned fishes 3. Great apes 4. Monotremes 5. Jawless fishes (GRE) Which of the following represents the proper sequence, from the earliest in the fossil record to the latest, of the animals listed above? - 1, 5, 2, 4, 3 - 5, 1, 2, 4, 3 - 2, 5, 1, 4, 3 - 5, 2, 1, 4, 3
genus.
Humans and apes are presently classified in the same category as all of the following levels except - phylum. - genus. - class. - order. - kingdom.
reptiles and mammals amphibians, mammals, and reptiles
In which vertebrates is fertilization exclusively internal? - reptiles and amphibians - chondrichthyans, osteichthyans, and mammals - reptiles and mammals - amphibians, mammals, and reptiles - chondrichthyans, osteichthyans, and reptiles
a notochord and a dorsal, hollow nerve cord.
Vertebrates and tunicates share - a notochord and a dorsal, hollow nerve cord. - the formation of structures from the neural crest. - an endoskeleton that includes a skull. - jaws adapted for feeding. a high degree of cephalization.
a mostly cartilaginous endoskeleton
What is a distinctive feature of the chondrichthyans? - unpaired fins - lack of jaws - a mostly cartilaginous endoskeleton - an amniotic egg
They should indicate limited adaptation to life on land.
What should be true of fossils of the earliest tetrapods? - They should feature the earliest indications of the appearance of jaws. - They should show evidence of having produced shelled eggs. - They should be transitional forms with the fossils of chondrichthyans that lived at the same time. - They should indicate limited adaptation to life on land. - They should show evidence of internal fertilization.
primates
Which is the most inclusive (most general) group, all of whose members have fingernails instead of claws? - anthropoids - hominoids - Homo - primates - hominins
dorsal, hollow nerve cord
Which of the following is a shared characteristic of all chordates? - four-chambered heart - dorsal, hollow nerve cord - scales - jaws - vertebrae
