Asked by Jonah Sachnowitz on Jun 14, 2024
Verified
The most primitive vertebrates are ____.
A) jawless fishes
B) amphibians
C) cartilaginous fish
D) birds
E) bony fish
Jawless Fishes
A group of fish characterized by their lack of a true jaw, examples include lampreys and hagfishes.
Primitive Vertebrates
Early forms of vertebrates, such as fish and amphibians, that show basic features of the vertebrate lineage and provide insight into evolutionary history.
Cartilaginous Fish
Cartilaginous fish are a class of fishes that have skeletons made entirely out of cartilage, rather than bone, including sharks, rays, and skates.
- Segregate vertebrate groups by identifying the differences in their fundamental properties.
Verified Answer
H4
Henry 47keyJun 18, 2024
Final Answer :
A
Explanation :
Jawless fishes, such as hagfish and lampreys, are considered the most primitive vertebrates because they lack both true jaws and bony skeletons.
Learning Objectives
- Segregate vertebrate groups by identifying the differences in their fundamental properties.